Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- coding="utf-8" -*-

c1 = []
c2 = []
q = input().split()
for i in range(int(q[1])):
  n = input()
for j in range(n):
  m = j.split()
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])

if set(c1) & set(c2):
  print("POSSIBLE")
else:
  print("INPOSSIBLE")

Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
c1 = []
c2 = []
q = input().split()
n = [input().split() for i in range(int(q[1]))]
 
for m in n:
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
if set(c1) & set(c2):
  print("POSSIBLE")
else:
  print("IMPOSSIBLE")

Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- coding="utf-8" -*-

c1 = []
c2 = []
q = input().split()
n = [input() for i in range(int(q[1]))]
for j in range(n):
  m = j.split()
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
if set(c1) & set(c2):
  print("POSSIBLE")
else:
  print("INPOSSIBLE")

Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
c1 = []
c2 = []
q = input().split()
n = [input().split() for i in range(int(q[1]))]
 
for m in n:
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
if set(c1) & set(c2):
  print("POSSIBLE")
else:
  print("IMPOSSIBLE")

Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- coding="utf-8" -*-

c1 = []
c2 = []
q = input().split()
n = [input() for i in range(int(q[1]))]
for j in range(n):
  m = j.split()
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
if set(c1).intersection(c2):
  print("POSSIBLE")
else:
  print("INPOSSIBLE")

Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
c1 = []
c2 = []
q = input().split()
n = [input().split() for i in range(int(q[1]))]
 
for m in n:
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
if set(c1) & set(c2):
  print("POSSIBLE")
else:
  print("IMPOSSIBLE")

Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- coding="utf-8" -*-

c1 = []
c2 = []
q = input().split()
n = [input() for i in range(q[1])]
for j in range(n):
  m = j.split()
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
for l in len(c2):
  if c1[l] in c2:
    print("POSSIBLE")
    break
print("INPOSSIBLE")

Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
c1 = []
c2 = []
q = input().split()
n = [input().split() for i in range(int(q[1]))]
 
for m in n:
  if m[0] == "1":
    c1.append(m[1])
  if m[1] == q[0]:
    c2.append(m[0])
if set(c1) & set(c2):
  print("POSSIBLE")
else:
  print("IMPOSSIBLE")
Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- coding="utf-8" -*-
 
K = int(input())
N = K + 1
n = [0] * N
n[0] = K**2 + K*2
n = ' '.join(list(map(str, n)))
print(N)
print(n)


Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
 
K = int(input())
if K >= 50:
  N = 50
  a = K % N
  if a == 0:
    n = [K // N + 49] * N
  else:
    n = [K // N + (49 - a)] * N
    for i in range(a):
      n[i] = n[i] + N
elif K == 0:
  N = 2
  n = ["1", "1"]
else:
  N = K + 1
  n = [0] * N
  n[0] = K**2 + K*2
n = ' '.join(list(map(str, n)))
print(N)
print(n)
Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- cording: "utf-8" -*-
 
a, b = map(int, input().split())
c = list(map(int, input().split()))
c.sort(reverse=true)
for i in range(b):
  x = x + c[i]
print(x)

Fixed submission:
#!/usr/bin
# -*- cording: "utf-8" -*-
 
a, b = map(int, input().split())
c = list(map(int, input().split()))
c.sort(reverse=True)
x = 0
for i in range(b):
  x = x + c[i]
print(x)

Buggy python submission (verdict: Runtime Error):
!/usr/bin
# -*- cording: "utf-8" -*-

a, b = map(int, input().split())
c = list(map(int, input().split()))
c.sort(reverse=true)
for i in range(b):
  x = x + c[i]
print(x)

Fixed submission:
#!/usr/bin
# -*- cording: "utf-8" -*-
 
a, b = map(int, input().split())
c = list(map(int, input().split()))
c.sort(reverse=True)
x = 0
for i in range(b):
  x = x + c[i]
print(x)
Buggy python submission (verdict: Runtime Error):
#!/usr/bin
# -*- coding:"utf-8" -*-

s = input()
sn = len(s)

if sn % 2 == 1:
  sn = sn -1
for i in range(sn, 0, -2)
  if s[:i/2] == s[i/2:]:
    break
print(s[:i])


Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
 
s = input()[:-1]
sn = len(s)

if sn % 2 == 1:
  sn = sn -1
for i in range(sn, 0, -2):
  if s[:i//2] == s[i//2:i]:
    break
print(len(s[:i]))
Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin
# -*- coding="utf-8" -*-
 
n = int(input())
a = input().split()
b = ""
if n == 1:
  b = a[0] + " "
else:
  for i in range(n-1, 0, -2):
    b = b + a[i] + " "
  for i in range(0, n-1, 2):
    b = b + a[i] + " "
    if n % 2 == 1 and i ==0:
      i = i + 1
      b = b + a[i] + " "
print(b[:-1])

Fixed submission:
#!/usr/bin
# -*- coding="utf-8" -*-
 
n = int(input())
a = input().split()
b = []
if n == 1:
  b.append(a[0])
else:
  for i in range(n-1, 0, -2):
    b.append(a[i])
  b.append(a[0])
  if n % 2 == 1:
    for i in range(1, n-1, 2):
      b.append(a[i])
  else:
    for i in range(2, n-1, 2):
      b.append(a[i])
print(' '.join(b))
Buggy python submission (verdict: Runtime Error):
n, k, x, y = map(int, input())
print(x*min(n, k)+y*max(0, n-k))

Fixed submission:
a = [int(input()) for i in range(4)]
print(a[2]*min(a[0],a[1])+max(0,(a[0]-a[1])*a[3]))
Buggy python submission (verdict: Runtime Error):
s = input()
tc = [ chr(i)*2 for i in range(ord('a'), ord('z')+1) ]  + [ chr(i)+chr(j)+chr(i) for i in range(ord('a'), ord('z')+1) for j in range(ord('a'), ord('z')+1)]
for i in tc:
  if i in s:
    t = i
    break
  else:
    t = 0
if t == 0:
  x=y=-1
for i in range(len(s)-len(t)+1):
      if s[i:i+len(t)] == t:
          x = i+1
          y = i+len(t)
print(x, y)

Fixed submission:
s = input()
tc = [ chr(i)*2 for i in range(ord('a'), ord('z')+1) ]  + [ chr(i)+chr(j)+chr(i) for i in range(ord('a'), ord('z')+1) for j in range(ord('a'), ord('z')+1)]
x=y=-1
t = "0"
for i in tc:
  if i in s:
    t = i
for i in range(len(s)-len(t)+1):
    if s[i:i+len(t)] == t:
      x = i+1
      y = i+len(t)
print(x, y)
Buggy python submission (verdict: Runtime Error):
a = list(map(int, input().split()))
a.sort()
if a == [5, 5, 7];
  print("YES")
else:
  print("NO")

Fixed submission:
a = list(map(int, input().split()))
a.sort()
if a == [5, 5, 7]:
  print("YES")
else:
  print("NO")
Buggy python submission (verdict: Runtime Error):
N, K = map(int, input().split())
D = list(map(int, input().split()))
L = [i for i in range(10) if i not in D]
A = []
for i in L:
  A.append(i)
for i in L:
  for j in L:
    A.append(10*i+j)
for  i in L:
  for j in L:
    for k in L:
      A.append(100*i+10*j+k)
for i in L:
  for j in L:
    for k in L:
      for l in L:
        A.append(1000*i+100*j+10*k+l)

for i in L:
  for j in L:
    for k in L:
      for l in L:
        for m in L:
A.append(10000*i+1000*j+100*k+10*l+m)

for i in A:
  if i >= N:
    print(i)
    break

Fixed submission:
N, K = map(int, input().split())
D = list(map(int, input().split()))
L = [i for i in range(10) if i not in D]
A = []
for i in L:
  A.append(i)
for i in L:
  for j in L:
    A.append(10*i+j)
for  i in L:
  for j in L:
    for k in L:
      A.append(100*i+10*j+k)
for i in L:
  for j in L:
    for k in L:
      for l in L:
        A.append(1000*i+100*j+10*k+l)

for i in L:
  for j in L:
    for k in L:
      for l in L:
        for m in L:
          A.append(\
10000*i+1000*j+100*k+10*l+m)

for i in A:
  if i >= N:
    print(i)
    break
Buggy python submission (verdict: Runtime Error):
def incre(a, i, j):
    if a[i][j] != '#':
        a[i][j] += 1


h, w = map(int, input().split())
s = [list(input()) for i in range(h)]

a = [[0]*w for _ in range(h)]

for i in range(h):
    for j in range(w):
        if s[i][j] == '#':
            a[i][j] = '#'

for i in range(h):
    for j in range(w):
        if (s[i][j] == '#'):
            if i == 0:
                if j == 0:
                    incre(a, i, j+1)
                    incre(a, i+1, j)
                    incre(a, i+1, j+1)
                elif 0 < j < w - 1:
                    incre(a, i, j-1)
                    incre(a, i, j+1)
                    incre(a, i+1, j-1)
                    incre(a, i+1, j)
                    incre(a, i+1, j+1)

                elif j == w-1:
                    incre(a, i, j-1)
                    incre(a, i-1, j-1)
                    incre(a, i+1, j)
            elif 0 < i < h - 1:
                if j == 0:
                    incre(a, i-1, j)
                    incre(a, i-1, j+1)
                    incre(a, i, j+1)
                    incre(a, i+1, j)
                    incre(a, i+1, j+1)
                elif 0 < j < w - 1:
                    incre(a, i-1, j-1)
                    incre(a, i-1, j)
                    incre(a, i-1, j+1)
                    incre(a, i, j-1)
                    incre(a, i, j+1)
                    incre(a, i+1, j-1)
                    incre(a, i+1, j)
                    incre(a, i+1, j+1)
                elif j == w-1:
                    incre(a, i-1, j)
                    incre(a, i-1, j-1)
                    incre(a, i, j-1)
                    incre(a, i+1, j-1)
                    incre(a, i+1, j)
            elif i == h-1:
                if j == 0:
                    incre(a, i-1, j)
                    incre(a, i-1, j+1)
                    incre(a, i, j+1)
                elif 0 < j < w - 1:
                    incre(a, i-1, j-1)
                    incre(a, i-1, j)
                    incre(a, i-1, j+1)
                    incre(a, i, j-1)
                    incre(a, i, j+1)
                elif j == w-1:
                    incre(a, i-1, j-1)
                    incre(a, i-1, j)
                    incre(a, i, j-1)

[print(*i, sep="") for i in a]




Fixed submission:
h, w = map(int, input().split())
s = [list(input()) for i in range(h)]

dx = [-1, -1, -1, 0, 0, 1, 1, 1]
dy = [-1,  0,  1, -1, 1,-1, 0, 1]

for i in range(h):
    for j in range(w):
        if s[i][j] == '#':
            continue
        elif s[i][j] == '.':
            num = 0
            for a in range(8):
                ni = i + dx[a]
                nj = j + dy[a]

                if (0 <= ni < h) and (0 <= nj < w) and (s[ni][nj] == '#'):
                    num += 1
            s[i][j] = num

[print(*i,sep='') for i in s]
Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())

X = []
Y = []
P = []
for i in range(N):
	coor = tuple(map(int, input().split()))
	P.append(coor)
	X.append(coor[0])
	Y.append(coor[1])
	
X.sort()
Y.sort()

answer = (X[-1] - X[0])*(Y[-1] - Y[0])

for xmin in range(N):
	for xmax in range(xmin+1, N):
			for ymin in range(N):
				for ymax in range(ymin+1, N):
						cnt = 0
						for i in range(N):
							if X[xmin] <= P[i][0] and P[i][0] <= X[xmax] and Y[ymin] <= P[i][1] and P[i][1] <= Y[ymax]:
								cnt += 1
						if cnt >= K:
							answer = min(answer, (X[xmax]-X[xmin])*(Y[ymax]-Y[ymin]))
print(int(answer))


Fixed submission:
import sys
def LI(): return [int(x) for x in sys.stdin.readline().split()]
 
N,K = LI()
p = []
for i in range(N):
    a,b = LI()
    p.append((a,b))
sx = sorted(p)
ans = 10**50
for x,y in sx:
    for x2,y2 in sx:
        if x2 <= x:
            continue
        points = sx.index((x2,y2)) - sx.index((x,y)) + 1
        if points < K:
            continue
        sy = sorted(sx[sx.index((x,y)):sx.index((x2,y2))+1],key=lambda sx: sx[1])
        for j in range(len(sy)-K+1):
            if sy[j][1] <= y and y2 <= sy[j+K-1][1]:
                ans = min(ans, (x2 - x) * (sy[j+K-1][1]-sy[j][1])) 
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())

P = []
for i in range(N):
	x, y = map(int, input().split())
	P.append([x, y])

answer = 2**69
for i in range(N):
	for j in range(N):
		for k in range(N):
			for l in range(N):
				xmin = min(P[i][0], P[j][0], P[k][0], P[l][0]);
				xmax = max(P[i][0], P[j][0], P[k][0], P[l][0]);
				ymin = min(P[i][1], P[j][1], P[k][1], P[l][1]);
				ymax = max(P[i][1], P[j][1], P[k][1], P[l][1]);
				cnt = 0
				for x in range(N):
					if xmin <= P[x][0] and P[x][0] <= xmax and ymin <= P[x][1] and P[x][1] <= ymax:
						cnt += 1
				if cnt >= K:
					answer = min(answer, (xmax-xmin)*(ymax-ymin))
print(int(answer))


Fixed submission:
import sys
def LI(): return [int(x) for x in sys.stdin.readline().split()]
 
N,K = LI()
p = []
for i in range(N):
    a,b = LI()
    p.append((a,b))
sx = sorted(p)
ans = 10**50
for x,y in sx:
    for x2,y2 in sx:
        if x2 <= x:
            continue
        points = sx.index((x2,y2)) - sx.index((x,y)) + 1
        if points < K:
            continue
        sy = sorted(sx[sx.index((x,y)):sx.index((x2,y2))+1],key=lambda sx: sx[1])
        for j in range(len(sy)-K+1):
            if sy[j][1] <= y and y2 <= sy[j+K-1][1]:
                ans = min(ans, (x2 - x) * (sy[j+K-1][1]-sy[j][1])) 
print(ans)
Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
candnum=int(input())
candiff=list(map(int,input().split()))
pronum=int(input())
candiff=Counter(candiff)
prodiff=list(map(int,input().split()))
prodiff=Counter(candiff)

for k,v in prodiff.items():
    if k in candiff:
        if candiff[k]<v:
            print("NO")
            sys.exit()
    else:
        print("NO")
        sys.exit()
print("YES")

Fixed submission:
z=input()
print(z[:-8])

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
candnum=int(input())
candiff=list(map(int,input().split()))
pronum=int(input())
candiff=Counter(candiff)
prodiff=list(map(int,input().split()))
prodiff=Counter(candiff)
#if pronum>candnum:
#    print("NO")
#    sys.exit()
for k,v in prodiff.items():
    if k in candiff:
        if candiff[k]<v:
            print("NO")
            sys.exit()
    else:
        print("NO")
        sys.exit()
print("YES")


Fixed submission:
z=input()
print(z[:-8])

Buggy python submission (verdict: Runtime Error):
z=input
print(z[:-8])

Fixed submission:
z=input()
print(z[:-8])

Buggy python submission (verdict: Runtime Error):
z=input().split()
return z[:-8]

Fixed submission:
z=input()
print(z[:-8])
Buggy python submission (verdict: Runtime Error):
def work(a,b,c,A,B,C):
    if A==0:
        return work(b,c,'',B,C,0)
    if B==0:
        if C==0:
            return a*A
        else:
            return work(a,c,'',A,C,0)
    if C==0:
        return work(a+b*(B/A),a+b*(B/A+1),'',A-B%A,B%A,0)
    cmod = C%A
	if B <= A-cmod:
		return work(a+c*(C/A),a+c*(C/A)+b,a+c*(C/A+1),A-cmod-B,B,cmod)
	else:
		B = B - (A-cmod)
		bmod = B%A
		if bmod>=cmod:
			return work(a+c*(C/A)+b*(B/A+1),a+c*(C/A)+b*(B/A+2),a+c*(C/A+1)+b*(B/A+1),A-bmod,bmod-cmod,cmod)
		else:
			return work(a+c*(C/A)+b*(B/A+1),a+c*(C/A+1)+b*(B/A),a+c*(C/A+1)+b*(B/A+1),A-cmod,cmod-bmod,bmod)

if __name__ == '__main__':
    s = raw_input()
    a,b,c = [int(i) for i in s.split()]
    print(work('a','b','c',a,b,c))


Fixed submission:
def work(a,b,c,A,B,C):
 if A==0:
  return work(b,c,'',B,C,0)
 if B==0:
  if C==0:
   return a*A
  else:
   return work(a,c,'',A,C,0)
 if C==0:
  return work(a+b*(B/A),a+b*(B/A+1),'',A-B%A,B%A,0)
 cmod = C%A
 if B <= A-cmod:
  return work(a+c*(C/A),a+c*(C/A)+b,a+c*(C/A+1),A-cmod-B,B,cmod)
 else:
  bmod = B%(A-cmod)
  return work(a+c*(C/A)+b*(B/(A-cmod)),a+c*(C/A)+b*(B/(A-cmod)+1),a+c*(C/A+1),A-bmod-cmod,bmod,cmod)

if __name__ == '__main__':
 s = raw_input()
 a,b,c = [int(i) for i in s.split()]
 print(work('a','b','c',a,b,c))
Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

N = int(input())
ax = list(map(int, input().split()))

ls = []
A = sum(ax[:1])
B = sum(ax[1:])

for i in range(2, N):
    sub = abs(A-B)
    print(sub)
    ls.append(sub)
    if(sub is 0):
        break
    A -= ax[i]
    B += ax[i]

print(sorted(ls)[0])


Fixed submission:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

N = int(input())
ax = list(map(int, input().split()))

ls = []
A = sum(ax[:1])
B = sum(ax[1:])

for i in range(1, N):
    sub = abs(A-B)
    ls.append(sub)
    if(sub is 0):
        break
    A += ax[i]
    B -= ax[i]

print(sorted(ls)[0])

Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

N = int(input())
ax = list(map(int, input().split()))

ls = []

for i in range(1, N):
    A = sum(ax[:i])
    B = sum(ax[i:])
    ls.append(abs(A-B))

print(sorted(ls)[0])


Fixed submission:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

N = int(input())
ax = list(map(int, input().split()))

ls = []
A = sum(ax[:1])
B = sum(ax[1:])

for i in range(1, N):
    sub = abs(A-B)
    ls.append(sub)
    if(sub is 0):
        break
    A += ax[i]
    B -= ax[i]

print(sorted(ls)[0])
Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

s = input()


def search(s):
    for i in range(len(s)-1):
        if s[i] == s[i+1]:
            return i+1, i+2
        if s[i] == s[i+2]:
            return i+1, i+3
    return -1, -1


if __name__ == "__main__":
    a, b = search(s)
    if a == -1:
        print("-1 -1")
    else:
        print(a, end="")
        print(' ', end="")
        print(b, end="")


Fixed submission:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

s = input()


def search(s):
    for i in range(len(s)-1):
        if s[i] == s[i+1]:
            return i+1, i+2
        if len(s) > i+2 and s[i] == s[i+2]:
            return i+1, i+3
    return -1, -1


if __name__ == "__main__":
    a, b = search(s)
    if a == -1:
        print("-1 -1")
    else:
        print(a, end="")
        print(' ', end="")
        print(b, end="")
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict

def foo():
	H, W = map(int, input().split())
	s = ""
	for _ in range(H):
		s += input()

	counter = defaultdict(int)
	for c in s:
		counter[c] += 1

	x1, x2 = H // 2, H % 2
	y1, y2 = W // 2, W % 2

	n = x1 * y1
	k = 0
	for c in counter:
		if k == n:
			break
		if counter[c] >= 4:
			k += 1
			counter[c] -= 4

	if k != n:
		print("No")
		return

	if x2 == 1:
		n = x1
		k = 0
		for c in counter:
			if k == n:
				break
			if counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
	if y2 == 1:
		n = y1
		k = 0
		for c in counter:
			if k == n:
				break
			if counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
	print("Yes")

foo()



Fixed submission:
S = input()
if len(S) < 4:
    print("No")
elif S[0:4] == "YAKI":
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
from collections import defaultdict

def foo():
	H, W = map(int, input().split())
	s = ""
	for _ in range(H):
		s += input()

	counter = defaultdict(int)
	for c in s:
		counter[c] += 1

	x1, x2 = H // 2, H % 2
	y1, y2 = W // 2, W % 2

	n = x1 * y1
	k = 0
	for c in counter:
		if k == n:
			break
		if counter[c] >= 4:
			k += 1
			counter[c] -= 4

	if k != n:
		print("No")
		return

	if x2 == 1:
		n = y1
		k = 0
		for c in counter:
			if k == n:
				break
			if counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
	if y2 == 1:
		n = x1
		k = 0
		for c in counter:
			if k == n:
				break
			if counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
	print("Yes")

foo()



Fixed submission:
S = input()
if len(S) < 4:
    print("No")
elif S[0:4] == "YAKI":
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
from collections import defaultdict

def foo():
	H, W = map(int, input().split())
	s = ""
	for _ in range(H):
		s += input()

	counter = defaultdict(int)
	for c in s:
		counter[c] += 1

	x1, x2 = H // 2, H % 2
	y1, y2 = W // 2, W % 2

	n = x1 * y1
	k = 0
	for c in counter:
		if k == n:
			break
		if counter[c] >= 4:
			k += 1
			counter[c] -= 4

	if k != n:
		print("No")
		return

	if x2 == 1:
		n = y1
		k = 0
		for c in counter:
			if k == n:
				break
			if counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
	if y2 == 1:
		n = x1
		k = 0
		for c in counter:
			if k == n:
				break
			if counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
	print("Yes")

foo()



Fixed submission:
S = input()
if len(S) < 4:
    print("No")
elif S[0:4] == "YAKI":
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict

def foo():
	H, W = map(int, input().split())
	s = ""
	for _ in range(H):
		s += input()

	counter = defaultdict(int)
	for c in s:
		counter[c] += 1

	x1, x2 = H // 2, H % 2
	y1, y2 = W // 2, W % 2

	n = x1 * y1
	k = 0
	for c in counter:
		if k == n:
			break
		while k != n and counter[c] >= 4:
			k += 1
			counter[c] -= 4

	if k != n:
		print("No")
		return

	if x2 == 1:
		n = y1
		k = 0
		for c in counter:
			if k == n:
				break
			while k != n and counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return

	if y2 == 1:
		n = x1
		k = 0
		for c in counter:
			if k == n:
				break
			while k != n and counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return

	if sum(counter.values() )	
	print("Yes")

foo()



Fixed submission:
from collections import defaultdict

def foo():
	H, W = map(int, input().split())
	s = ""
	for _ in range(H):
		s += input()

	counter = defaultdict(int)
	for c in s:
		counter[c] += 1

	x1, x2 = H // 2, H % 2
	y1, y2 = W // 2, W % 2

	n = x1 * y1
	k = 0
	for c in counter:
		if k == n:
			break
		while k != n and counter[c] >= 4:
			k += 1
			counter[c] -= 4

	if k != n:
		print("No")
		return

	if x2 == 1:
		n = y1
		k = 0
		for c in counter:
			if k == n:
				break
			while k != n and counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return

	if y2 == 1:
		n = x1
		k = 0
		for c in counter:
			if k == n:
				break
			while k != n and counter[c] >= 2:
				k += 1
				counter[c] -= 2
		if k != n:
			print("No")
			return
			
	print("Yes")

foo()
Buggy python submission (verdict: Runtime Error):
N = int(input())
a = list(map(int, input().split()))
 
count = 0
 
for i, target in enumerate(a):
	if a[target - 1] == i + 1:
		count += 1
 
print(count // 2)

Fixed submission:
s = list(input())
s = s[:4] + [' '] + s[4:]
print(''.join(s))

Buggy python submission (verdict: Runtime Error):
N = int(input())
a = list(map(int, input().split()))
 
count = 0
 
for i, target in enumerate(a):
	if a[target - 1] == i + 1:
		count += 1
 
print(count // 2)

Fixed submission:
s = list(input())
s = s[:4] + [' '] + s[4:]
print(''.join(s))

Buggy python submission (verdict: Runtime Error):
N = int(input())
a = map(int, input().split())

count = 0

for i, target in enumerate(a):
	if a[target - 1] == i + 1:
		count += 1

print(count // 2)

Fixed submission:
s = list(input())
s = s[:4] + [' '] + s[4:]
print(''.join(s))
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
D = list(map(int, input().split()))
M = int(input())
T = list(map(int, input().split()))

res = "YES"

for i in T:
  if i in D:
    D.remove(i)
  else:
    res = "NO"
    break

print(res)

Fixed submission:
from collections import Counter

N = int(input())
D = Counter(list(map(int, input().split())))
M = int(input())
T = Counter(list(map(int, input().split())))

res = "YES"

for i in T:
  if i not in D or T[i] > D[i]:
    res = "NO"
    break

print(res)
Buggy python submission (verdict: Runtime Error):
s = str(input())
print str.lower(s)[:4] == "yaki"

Fixed submission:
if str.lower(input())[:4] == "yaki":
  print("Yes")
else:
  print("No")

Buggy python submission (verdict: Runtime Error):
s = str(input())
print str.lower(s)[:4] == "yaki"

Fixed submission:
if str.lower(input())[:4] == "yaki":
  print("Yes")
else:
  print("No")

Buggy python submission (verdict: Runtime Error):
s = str(raw_input())
print(str.lower(s)[:4] == "yaki")

Fixed submission:
if str.lower(input())[:4] == "yaki":
  print("Yes")
else:
  print("No")