qyliang/CodeNanoFix huggingface dataset:
Buggy code:
n,a,b,c,d = map(int,input().split())

s = list(input())

a -= 1
b -= 1
c -= 1
d -= 1
for i in range(a,max(c,d)-1):
        if s[i] == "#" and s[i+1] == "#":
            print("No")
            exit()
print("Yes")
exit()
if c < d:
    print("Yes")
else:
    for i in range(b+1,d):
        if s[i-2] == "." and s[i-1] == "." and s[i] == ".":
            print("Yes")
            exit()
    print("No")


Fixed code:
n,a,b,c,d = map(int,input().split())
s = "s" + input()

for i in range(a,max(c,d)-1):
        if s[i] == s[i+1] == "#":
            print("No")
            exit()
if c < d:
    print("Yes")
else:
    for i in range(b,d+1):
        if s[i+1] == s[i-1] == s[i] == ".":
            print("Yes")
            exit()
    print("No")
Buggy code:
N, A, B, C, D = map(int, input().split())
S = input()

def yn(a):
    print('Yes' if a else 'No')

if C < D:
    # `##` is NG btw A and D
    yn('##' not in S[A:D])
else:
    # `#` is NG prev D except oikoseru
    oikoseru = S[B] == '.' or '...' in S[B:D]
    yn('##' not in S[A:C] and ('#' != S[D-2] or oikoseru))


Fixed code:
N, A, B, C, D = map(int, input().split())
S = input()

def yn(a):
    print('Yes' if a else 'No')

if C < D:
    # `##` is NG btw A and D
    yn('##' not in S[A:C] and '##' not in S[B:D])
else:
    # `#` is NG prev D except oikoseru
    yn('##' not in S[A:C] and '...' in S[B-2:D+1])
Buggy code:
N, A, B, C, D = map(int, input().split())
S = input()	# .#

if "##" in S[A-1:C]:
	print("No")
elif "##" in S[B-1:D]:
	print("No")
elif D < C:	# A jumps over B
	if not "..." in S[B-1:C]:
		print("No")
	elif S[B-1:D].count("...") < 2:
		if S[D-2:D+1] == "#..":
			print("No")
		else:
			print("Yes")
	else:
		print("Yes")
else:
	print("Yes")

Fixed code:
N, A, B, C, D = map(int, input().split())
S = input()	# .#

if "##" in S[A-1:C]:
	print("No")
elif "##" in S[B-1:D]:
	print("No")
elif D < C:	# A jumps over B
	if not "..." in S[B-2:D+1]:
		print("No")
	else:
		print("Yes")
else:
	print("Yes")
Buggy code:
n,a,b,c,d = map(int,input().split())
s = list(input())
s.insert(0,0)
for i in range(min(a,b),max(c,d)):
    if '#' == s[i] == s[i+1]:
        print('No')
        exit(0)
if c < d:
    print('Yes')
else:
    for i in range(b,d-1):
        if '.' == s[i] == s[i+1] == s[i+2]:
            print('No')
            exit(0)
    print('Yes')

Fixed code:
n,a,b,c,d = map(int,input().split())
s = list(input())
s.insert(0,0)
for i in range(a,max(c,d)):
    if '#' == s[i] and '#' == s[i+1]:
        print('No')
        exit(0)
if c < d:
    print('Yes')
else:
    for i in range(b-1,d):
        if '.' == s[i] and '.' == s[i+1] and '.' == s[i+2]:
            print('Yes')
            exit(0)
    print('No')
Buggy code:
n,a,b,c,d = map(int,input().split())
S = list(input())
S = ['#'].expand(S)
print(S)

flg = 1
for i in range(a-1,c-2):
    if S[i:i+2] == ['#','#']:
        flg *= 0

for i in range(b-1,d-2):
    if S[i:i+2] == ['#','#']:
        flg *= 0

if c>d:
    flg2 = 0
    for i in range(b-1,d):
        if S[i-1:i+2] == ['.','.','.']:
            flg2 = 1
    flg *= flg2

if flg == 0:
    print('No')
else:
    print('Yes')

Fixed code:
n,a,b,c,d = map(int,input().split())
S = list(input())

flg = 1
for i in range(a-1,c-2):
    if S[i:i+2] == ['#','#']:
        flg *= 0

for i in range(b-1,d-2):
    if S[i:i+2] == ['#','#']:
        flg *= 0

if c>d:
    flg2 = 0
    for i in range(b-1,d):
        if S[i-1:i+2] == ['.','.','.']:
            flg2 = 1
    flg *= flg2

if flg == 0:
    print('No')
else:
    print('Yes')
Buggy code:
n,a,b,c,d=map(int,input().split())
s=input()
for i in range(a-1:c-1):
  if s[i:i+2]=='##':
    print('No')
    exit()
for i in range(b-1:d-1):
  if s[i:i+2]=='##':
    print('No')
    exit()
if c<d:
  print('Yes')
else:
  for i in range(b-1:c-1):
    if s[i:i+3]=='...':
      print('Yes')
      exit()
  print('No')


Fixed code:
n,a,b,c,d=map(int,input().split())
s=input()
for i in range(a-1,c-1):
  if s[i:i+2]=='##':
    print('No')
    exit()
for i in range(b-1,d-1):
  if s[i:i+2]=='##':
    print('No')
    exit()
if c<d:
  print('Yes')
else:
  for i in range(b-2,d-1):
    if s[i:i+3]=='...':
      print('Yes')
      exit()
  print('No')
Buggy code:
n,a,b,c,d = map(int,input().split())
S = [1] + [1 if s == "." else 0 for s in input().split()]
flag = True
count = 0
for s,i in zip(S[1:],range(1,n+1)):
    if not(s):
        count += 1
    else:
        count = 0
    if count == 2 and a < i and i < c:
        flag = False
        break
    elif count == 2 and b < i and i < d:
        flag = False
        break
count = 0
if  c > d:
    flag = False
    for s in S[b:d+1]:
        if s:
            count += 1
        else:
            count = 0
        if count == 3:
            flag = True
            break
if flag :
    print("Yes")
else:
    print("No")

Fixed code:
n,a,b,c,d = map(int,input().split())
S = [1] + [1 if s == "." else 0 for s in input()]
flag = True
count = 0
for s,i in zip(S[1:],range(1,n+1)):
    if not(s):
        count += 1
    else:
        count = 0
    if count == 2 and a < i and i < c:
        flag = False
        break
    elif count == 2 and b < i and i < d:
        flag = False
        break
count = 0
if  c > d:
    flag = False
    for s in S[b-1:d+2]:
        if s:
            count += 1
        else:
            count = 0
        if count == 3:
            flag = True
            break
if flag :
    print("Yes")
else:
    print("No")
Buggy code:
#!/usr/bin/env python
 
import sys
import re
 
_,a,b,c,d = [ int(x)-1 for x in sys.stdin.readline().split() ]
m = sys.stdin.readline().strip()
#
if c>d:
    if m[b-1:d+2].find("...")<0:
        print( "No" )
        exit()
else:
    # b -> d
    if m[b+1:d].find("##")<0:
        print( "No" )
        exit()
    #
    # a -> c
    if m[a+1:c].find("##")<0:
        print( "No" )
        exit()

print( "Yes" )


Fixed code:
#!/usr/bin/env python
 
import sys
import re
 
_,a,b,c,d = [ int(x)-1 for x in sys.stdin.readline().split() ]
m = sys.stdin.readline().strip()
#
if c>d:
    if m[b-1:d+2].find("...")<0:
        print( "No" )
        exit()
else:
    # b -> d
    if m[b+1:d].find("##")>=0:
        print( "No" )
        exit()
    #
    # a -> c
    if m[a+1:c].find("##")>=0:
        print( "No" )
        exit()

print( "Yes" )
Buggy code:
N, A, B, C, D = map(int, input().split())

S = list(input().split()[0])

result = "Yes"

if C < D:
    for i in range(B, D - 1):
        if S[i] == "#" and S[i + 1] == "#":
                result = "No"
                print(result)
                break
else:
    for i in range(B, C - 1):
        if S[i] == "#" and S[i + 1] == "#":
                result = "No"
                print(result)
                flag = True
                break
    if not flag:
        for i in range(B - 1, C - 2):
            if S[i] == "." and S[i + 1] == "." and S[i + 2] == ".":
                print("Yes")
                break
        


Fixed code:
N, A, B, C, D = map(int, input().split())

S = list(input().split()[0])

result = "Yes"
flag = False

for i in range(B, D - 1):
    if S[i] == "#" and S[i + 1] == "#":
        result = "No"
        print(result)
        flag = True
        break
if not flag:
    for i in range(A, C - 1):
        if S[i] == "#" and S[i + 1] == "#":
            result = "No"
            print(result)
            flag = True
            break

if not flag:    
    if A < B and B < D and D < C:
        for i in range(B - 2, D - 1):
            if S[i] == "." and S[i + 1] == "." and S[i + 2] == ".":
                result = "Yes"
                print(result)
                flag = True
                break
            else:
                result = "No"
                flag = False
if not flag:
    print(result)
Buggy code:
N,A,B,C,D=map(int,input().split())
S=input()

c1=S[B-2:C].count('...')
c2=S[A-1:D].count('##')

if c2>=1:
    print('No')
    exit()
else:
    pass

if C>D:
    if c1==0:
    print('No')
    exit()
    else:
        print('Yes')
        exit()

Fixed code:
N,A,B,C,D=map(int,input().split())
S=input()

c1=S[B-2:D+1].count('...')
c2=S[A-1:D].count('##')

if c2>=1:
    print('No')
    exit()
else:
    pass

if C>D and c1==0:
    print('No')
    exit()
else:
    pass


print('Yes')
Buggy code:
n,a,b,c,d = map(int,input().split())
sub = "#"+input()
s = list(sub)

con = True
for i in range(a,d):
    if s[i-1]=="#" and s[i]=="#":
        print("No")
        con = False
        break

if (con):
    if (c<b) or (c<d):
        print("Yes")
        con = False

if (con):
    rck = min(c,d)
    for i in range(b,rck-1):
        if s[i]=="." and s[i+1]=="." and s[i+2]==".":
            print(s[i],i)
            print("Yes")
            con = False
            break
        
if (con):
    print("No")



Fixed code:
n,a,b,c,d = map(int,input().split())
sub = "#"+input()
s = list(sub)

con = True
for i in range(a,d+1):
    if s[i-1]=="#" and s[i]=="#":
        print("No")
        con = False
        break

if (con):
    if (c<b) or (c<d):
        print("Yes")
        con = False

if (con):
    for i in range(b-1,d):
        if s[i]=="." and s[i+1]=="." and s[i+2]==".":
            print("Yes")
            con = False
            break

if (con):
    print("No")
Buggy code:
n,a,b,c,d = ( int(i) for i in input().split())
s = input()

a_to_c = s[a:(c-1)-1]
b_to_d = s[b-1:d-1]

possibility = True

if c>d:
    b_to_d = s[(b-1)-1:(d-1)+1]
    if "##" in a_to_c or "..." not in b_to_d
        possibility = False
else:
    b_to_d = s[(b-1)+1:(d-1)-1]
    if "##" in a_to_c or "##" in b_to_d:
        possibility = False

if possibility:
    print("Yes")
else:
    print("No")

Fixed code:
n,a,b,c,d = ( int(i) for i in input().split())
s = input()

a_to_c = s[(a-1)+1:(c-1)-1 +1]

possibility = True

if c>d:
    b_to_d = s[(b-1)-1:(d-1)+1 +1]
    if "##" in a_to_c or "..." not in b_to_d:
        possibility = False
else:
    b_to_d = s[(b-1)+1:(d-1)-1 +1]
    if "##" in a_to_c or "##" in b_to_d:
        possibility = False

if possibility:
    print("Yes")
else:
    print("No")
Buggy code:
N,A,B,C,D=list(map(int,input().split()))
l=list(input())
if "##" in "".join(l):
   print("No")
   exit()
if C>D:
   pass
else:
   print("Yes")
   exit()
if "..." in l[B-1:D+1]:
   print("Yes")
else:
   print("No")

Fixed code:
N,A,B,C,D=list(map(int,input().split()))
l=list(input())
if "##" in "".join(l[A-1:max(C,D)-1]):
   print("No")
   exit()
if C>D:
   pass
else:
   print("Yes")
   exit()
if "..." in "".join(l[B-2:D+1]):
   print("Yes")
else:
   print("No")
Buggy code:
n,a,b,c,d = map(int,input().split())
s = str(input())
if "##" in s[min(a,b)-1:max(c,d)]:
  print("No")
  exit()
if d > c:
  if "..." in s[b-1:d]:
    print("Yes")
  else:
    print("No")
else:
  print("Yes")


Fixed code:
n,a,b,c,d = map(int,input().split())
s = str(input())
if "##" in s[min(a,b):max(c,d)-1]:
  print("No")
  exit()
if c > d:
  if "..." in s[b-2:d+1]:
    print("Yes")
  else:
    print("No")
else:
  print("Yes")
Buggy code:
N, A, B, C, D = map(int, input().split())
S = input()
if '##' in S:
    print('No')
    exit()
if C > D:
    if S[D - 2] == S[D - 1] == S[D]:
        print("Yes")
    else:
        print("No")
else:
    print("Yes")



Fixed code:
N, A, B, C, D = map(int, input().split())
S = 'x' + input()
mx = D if D > C else C
if '##' in S[A:mx]:
    print('No')
    exit()
if C > D:
    if '...' in S[B-1:D+2]:
        print("Yes")
    else:
        print("No")
else:
    print("Yes")
Buggy code:
n, a, b, c, d = map(int, input().split())
a -= 1
b -= 1
c -= 1
d -= 1
S = input()

if c < d:
    while b < d:
        if S[b+1] == '.':
            b += 1
        elif b+2 <= d and S[b+2] == '.':
            b += 2
        else:
            print('No')
            exit()
    while a < c:
        if S[a+1] == '.':
            a += 1
        elif a+2 <= c and S[a+2] == '.':
            a += 2
        else:
            print('No')
            exit()
else:
    while a < c:
        if a+1 == b and S[a+2] == '.' :
            a += 2
        elif a+1 == b and S[a+3] == '.' and a+3 <= d:
            b += 2
            a += 1
        elif S[a+1] == '.':
            a += 1
        elif S[a+2] == '.' and a+2 != b:
            a += 2
        else:
            print('No')
            exit()
    while b < d:
        if S[b+1] == '.':
            b += 1
        elif b+2 <= d and S[b+2] == '.':
            b += 2
        else:
            print('No')
            exit()
print('Yes')

Fixed code:
n, a, b, c, d = map(int, input().split())
a -= 1
b -= 1
c -= 1
d -= 1
S = input()

if c < d:
    while b < d:
        if S[b+1] == '.':
            b += 1
        elif b+2 <= d and S[b+2] == '.':
            b += 2
        else:
            print('No')
            exit()
    while a < c:
        if S[a+1] == '.':
            a += 1
        elif a+2 <= c and S[a+2] == '.':
            a += 2
        else:
            print('No')
            exit()
else:
    while a < c:
        if a+1 == b and S[a+2] == '.' :
            a += 2
        elif a+1 == b and a+3 <= d and S[a+3] == '.':
            b += 2
            a += 1
        elif S[a+1] == '.' and a+1 != b:
            a += 1
        elif a+2 == b and a+3 <= d and S[a+3] == '.':
            a += 2
            b += 1
        elif a+2 == b and a+4 <= d and S[a+4] == '.':
            a += 2
            b += 2
        elif S[a+2] == '.' and a+2 != b:
            a += 2
        else:
            print('No')
            exit()
    while b < d:
        if S[b+1] == '.':
            b += 1
        elif b+2 <= d and S[b+2] == '.':
            b += 2
        else:
            print('No')
            exit()
print('Yes')
Buggy code:
n,a,b,c,d=map(int,input().split())
s=input()
if c<d:
  if '##' in s[a-1:d]:
    print('No')
  else:
    print('Yes')
else:
  if '...' in s[b-1:d] or s[b-1:b+1]=='..':
    print('Yes')
  else:
    print('No')

Fixed code:
n,a,b,c,d=map(int,input().split())
s=input()
if c<d:
  if '##' in s[a-1:d]:
    print('No')
  else:
    print('Yes')
else:
  if '...' in s[b-2:d+1]:
    print('Yes')
  else:
    print('No')
Buggy code:
import math
import numpy as np


def inputs(): return list(map(int, input().split()))


def main():
    _, A, B, C, D = inputs()
    S = input()
    ans = []
    if '##' in S[A:C]:
        ans.append(True)
    else:
        ans.append(False)
    if '##' in S[B:D]:
        ans.append(True)
    else:
        ans.append(False)
    if D < C:
        if '...' in S[B-2: D+1]:
            ans.append(True)
        else:
            ans.append(False)

    if all(ans):
        ans = 'Yes'
    else:
        ans = 'No'
    print(ans)


if __name__ == '__main__':
    main()


Fixed code:
import math
import numpy as np


def inputs(): return list(map(int, input().split()))


def main():
    _, A, B, C, D = inputs()
    S = input()
    ans = []
    if '##' in S[A:C]:
        ans.append(False)
    else:
        ans.append(True)
    if '##' in S[B:D]:
        ans.append(False)
    else:
        ans.append(True)
    if D < C:
        if '...' in S[B-2: D+1]:
            ans.append(True)
        else:
            ans.append(False)

    if all(ans):
        ans = 'Yes'
    else:
        ans = 'No'
    print(ans)


if __name__ == '__main__':
    main()
Buggy code:
N,A,B,C,D = map(int, input().split())
s = input()
index = [(n+1) for n, v in enumerate(s) if s[n:n+3] == "..."]

if s.count("##")>=1:
    print("No")
    exit()

if C < D:
    print("Yes")

elif C > D:
    if len(index)>=1:
        for i in range(B-1:D):
            if s[i-1]=="." and s[i]=="." and s[i+1]==".":
                print("Yes")
                exit()
        print("No")
    else:
        print("No")


Fixed code:
N,A,B,C,D = map(int, input().split())
s = input()
index = [(n+1) for n, v in enumerate(s) if s[n:n+3] == "..."]

if C < D:
    if "##" in s[A-1:D]:
        print("No")
    else:
        print("Yes")

if C > D:
    if "##" in s[A-1:C]:
        print("No")
    else:
        if len(index)>=1:
            for i in index:
                if B <= i+1 <= D:
                    print("Yes")
                    exit()
            print("No")
        else:
            print("No")
Buggy code:
N,A,B,C,D = map(int, input().split())
S = [""] + list(input())

def can(start, end):
    for i in range(start, end):
        if S[i] == S[i + 1] == "#":
            return False
    return True

def main():
    if not (can(A, C) and can(B, D)):
        return False

    if C < D:
        flag = False
        for i in range(B, D + 1):
            if S[i - 1] == S[i] == S[i + 1] == ".":
                flag = True
        if not flag:
            return False
    
    return True

if __name__ == "__main__":
    if main():
        print('Yes')
    else:
        print('No')

Fixed code:
N,A,B,C,D = map(int, input().split())
S = [""] + list(input()) + [""]

def can(start, end):
    for i in range(start, end):
        if S[i] == S[i + 1] == "#":
            return False
    return True

def main():
    if not (can(A, C) and can(B, D)):
        return False

    if C < D:
        return True
    elif C > D:
        for i in range(B, D + 1):
            if S[i - 1] == S[i] == S[i + 1] == ".":
                return True
        return False

if __name__ == "__main__":
    if main():
        print('Yes')
    else:
        print('No')
Buggy code:
# 2019-11-22 19:46:21(JST)
import sys


def main():
    n, a, b, c, d = [int(x) for x in sys.stdin.readline().split()]
    s = '#' + sys.stdin.readline().rstrip()

    if '##' in s[a+1:c-1] or '##' in s[b+1:d-1]:
        ans = 'No'
    else:
        if c < d:
            ans = 'No'
        else:
            if '...' in s[b-1:d]:
                ans = 'Yes'
            else:
                ans = 'No'
        
    print(ans)

if __name__ == '__main__':
    main()


Fixed code:
# 2019-11-22 19:46:21(JST)
import sys


def main():
    n, a, b, c, d = [int(x) for x in sys.stdin.readline().split()]
    s = '#' + sys.stdin.readline().rstrip()

    if '##' in s[a+1:c-1] or '##' in s[b+1:d-1]:
        ans = 'No'
    else:
        if c < d:
            ans = 'Yes'
        else:
            for i in range(b, d+1):
                if s[i-1] == s[i] == s[i+1] == '.':
                    ans = 'Yes'
                    break
            else:
                ans = 'No'
        
    print(ans)

if __name__ == '__main__':
    main()
Buggy code:
N,A,B,C,D=map(int,input().split())
S=input()

if C<D and ("##" not in S[A:C-1] or "##" not in S[B:D-1]):
    print("No")
elif C>D and "##" not in S and "..." not in S[B-2:D+1]:
    print("Yes")
else:
    print("Yes")

Fixed code:
N,A,B,C,D=map(int,input().split())
S=input()

if "##" in S[A:C-1] or "##" in S[B:D-1]:
    print("No")
    exit()
elif C>D and "..." not in S[B-2:D+1]:
    print("No")
else:
    print("Yes")
Buggy code:
import sys

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, A, B, C, D = lr()
S = input()
# if C > D:
#     if "..." not in S[B-1:D]:
#         print("No")
#         exit(0)
# if "##" in S[A-1:C] or "##" in S[B-1:D]:
#     print("No")
# else:
#     print("Yes")

# ans = "Yes"
# if C > D:
#     tmp = S[B-2:D+1].count("...")
#     if tmp == 0:
#         ans = "No"

# tmp = S[A-1:max(C, D)].count("##")
# if tmp > 0:
#     ans = "No"
# print(ans)


ans="Yes"

if D<C:
  if "..." in S[B-2:D+1]:
    ans="No"
if "##" in S[A-1:max(C,D)]:
  ans="No"

print(ans)

Fixed code:
import sys

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N, A, B, C, D = lr()
S = input()
# if C > D:
#     if "..." not in S[B-1:D]:
#         print("No")
#         exit(0)
# if "##" in S[A-1:C] or "##" in S[B-1:D]:
#     print("No")
# else:
#     print("Yes")

ans = "Yes"
if C > D:
    tmp = S[B-2:D+1].count("...")
    if tmp == 0:
        ans = "No"

tmp = S[A-1:max(C, D)].count("##")
if tmp > 0:
    ans = "No"
print(ans)
Buggy code:
N,A,B,C,D = map(int,input().split())
S = input()

def step(x,y):
    N_last = S[x:y-1]
    return N_last.find('##') == -1

def pass_path(C,D):
    if C > D:
        for b in range(B-1,D):
            if S[b-1] == '.' and S[b+1] == '.':
              return True
            elif S[b] == '#':
              return False
    else:
        return False
    
if step(A,C) and step(B,D) and pass_path(C,D) == True:
    print('Yes')
else:
    print('No')

Fixed code:
N,A,B,C,D = map(int,input().split())
S = input()
 
def step(x,y):
    N_last = S[x:y-1]
    return N_last.find('##') == -1

Ans = step(A,C) and step(B,D)
 
if C > D:
    pass_path = False
    for b in range(B-1,D):
        if S[b] == '#':
            continue
        if S[b-1] == '.' and S[b+1] == '.':
            pass_path = True
            break
    Ans = step(A,C) and step(B,D) and  pass_path


if Ans == True:
    print('Yes')
else:
    print('No')
Buggy code:
N, A, B, C, D = map(int, input().split())
S = input()

if A < C < B < D:
    if not (S.find("##", A - 1) < C - 1 and S.find("##", A - 1) != -1) and not (
            S.find("##", B - 1) < D - 1 and S.find("##", B - 1) != -1):
        print("Yes")
    else:
        print("No")
elif C < D:
    if S.find("##", A - 1) > D - 1 or S.find("##", A - 1) == -1:
        print("No")
    else:
        print("Yes")
else:
    if S.find("...", B - 1) < D - 1 and S.find("...", B - 1) != -1:
        if S.find("##", A - 1) > C - 1 or S.find("##", A - 1) == -1:
            print("Yes")
        else:
            print("No")
    else:
        print("No")


Fixed code:
N, A, B, C, D = map(int, input().split())
S = input()

if A < C < B < D:
    if not (S.find("##", A - 1) < C - 1 and S.find("##", A - 1) != -1) and not (
            S.find("##", B - 1) < D - 1 and S.find("##", B - 1) != -1):
        print("Yes")
    else:
        print("No")
elif C < D:
    if S.find("##", A - 1) > D - 1 or S.find("##", A - 1) == -1:
        print("Yes")
    else:
        print("No")
else:
    if S.find("...", B - 2) < D - 1 and S.find("...", B - 2) != -1:
        if S.find("##", A - 1) > C - 1 or S.find("##", A - 1) == -1:
            print("Yes")
        else:
            print("No")
    else:
        print("No")
Buggy code:
N, A, B, C, D = map(int,input().split())
S = input()
slist = list(S)
buf = "".join(slist[A:max(C,D)-1])
#print(N, A, B, C, D)
#print(S)

judge = buf.find("##")
#print(judge)

#print(slist[A::])
#print(judge)
if judge != -1:
  print("No")
else:
  if C < D:
    print("Yes")
  else:
    s_change= "".join(slist[A:C-1])
    #print(s_change)
    judge = s_change.count("..")
    #print(judge)
    if judge > 1:
      print("No")
    else:
      print("Yes")

Fixed code:
N, A, B, C, D = map(int,input().split())
S = input()
slist = list(S)
buf = "".join(slist[A:max(C,D)-1])
 
judge = buf.find("##")
 
if judge != -1:
  print("No")
else:
  if C < D:
    print("Yes")
  else:
    s_change= "".join(slist[B-2:D+1])
    judge = s_change.count("...")
    if judge > 0:
      print("Yes")
    else:
      print("No")