Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  print(1,1)
  exit()
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  print(1,1)
  exit()
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  print(1,1)
  exit()
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  print(1,1)
  exit()
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

print(1,1)
eixt()
if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  print(1,1)
  eixt()
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  print(1,1)
  eixt()
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  print(1,1)
  eixt()
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  print(1,1)
  eixt()
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  print(1,1)
  eixt()
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)

Buggy python submission (verdict: Runtime Error):
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())

d = [None for i in range(4)]
d[0] = abs(x*1+y*(-1)+w*h)/math.sqrt(1**2 + (-1)**2)
d[1] = abs(x*(-h/w)+y*(-1)+h)/math.sqrt((-h/w)**2 + (-1)**2)
d[2] = abs(x-w*0.5)
d[3] = abs(y-h*0.5)

if int(w-2*x)==0 and int(h-2*y)==0:
  print(w*h/2.0, 1)
  exit()
elif int(w-2*x)==0 or int(h-2*y)==0:
  print(w*h/2.0, 0)
  exit()

if int(d1) == 0 or int(d2) == 0:
  if int(w-2*x)==0 and int(h-2*y)==0:
    print(w*h/2.0, 1)
  else:
    print(w*h/2.0, 0)
elif d.index().min(d) == 0:
  if x > 0.5*w:
    if y < h/w*x:
      print((x*w*w)/y*0.5, 0)
    else:
      print((x*h*h)/y*0.5, 0)
  else:
    b = h - (h-y)/(w-x)*w
    if y < h/w*x:
      print(h*(w-b*(w-x)/(h-y))*0.5, 0)
    else:
      print(w*(h-b)*0.5, 0)
elif d.index().min(d) == 1:
  if int(d[0]-d[1]) == 0:
    casenum = 1
  else:
    casenum = 0
    
  if x > 0.5*w:
    if  y > -h/w*x+h:
      print(w*(-(y-h)*w/x)*0.5, casenum)
    else:
      print(h*x*h/(h-y)*0.5, casenum)
  else:
    b = (h + y*w/(x-w)) * (x-w)/y
    if  y > -h/w*x+h:
      print(h*(w-(b-h)*x/(y-h))*0.5, casenum)
    else:
      print(w*(h-b)*0.5, casenum)
elif d.index().min(d) == 2:
  if y > 0.5*h:
    b = w*y/(w-2*x)
    x1=(x-0.5*w)/y*(b-h)
    if x > 0.5*w:
      print(h*(0.5*w+w-x1)*0.5, 0)
    else:
      print(h*(0.5*w+0.5*w-x1)*0.5, 0)
  else:
    b = h - 0.5*w*y/(x-0.5*w)
    x1=b*y/(0.5*w-x)
    if x > 0.5*w:
      print(0.5*h(0.5*w+w-x1), 0)
    else:
      print(0.5*h(0.5*w+0.5*w-x1), 0)    
elif d.index().min(d) == 3:
  if int(d[2]-d[3]) == 0:
    casenum = 1
  else:
    casenum = 0
  if x > 0.5*w:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(y-0.5*h)/x*w+0.5*h), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(y-0.5*h)/x*w+0.5*h), casenum)
  else:
    if y > 0.5*h:
      print(0.5*w*(0.5*h+h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)
    else:
      print(0.5*w*(0.5*h+0.5*h-(0.5*h-w*(y-0.5*h)/(x-w))), casenum)    

Fixed submission:
import sys
import math
w, h, x, y = map(int, sys.stdin.readline().split())
S = w*h/2

if x == w/2 and y == h/2:
  print(S,1)
else:
  print(S, 0)