Buggy python submission (verdict: Runtime Error):

import sys
sys.setrecursionlimit(100000000)

N, A, B, C, D = map(int, input().split())
s = list(input())

A -= 1
B -= 1
C -= 1
D -= 1

for i in len(s):
    if i == len(s) - 1:
        continue
    else:
        if s[i] == '#' and s[i+1] == '#':
            print("No")
            exit()




def check(s, start, goal, ans):
    if start == goal:
        return 1
    if s[start] == '#':
        return 0
    if start + 1 <= N - 1:
        ans += check(s, start + 1, goal, ans)
    if start + 2 <= N - 1:
        ans += check(s, start + 2, goal, ans)
    return ans

ans = 0
if not check(s, B, D, ans):
    print("No")
    exit()
#s[D] = '#'
if not check(s, A, C, ans):
    print("No")
    exit()
print("Yes")

Fixed submission:
import sys
sys.setrecursionlimit(100000000)
 
N, A, B, C, D = map(int, input().split())
s = list(input())
 
A -= 1
B -= 1
C -= 1
D -= 1
 
for i in range(len(s)):
    if i == len(s) - 1:
        continue
    else:
        if s[i] == '#' and s[i+1] == '#' and max(C, D) < i and i <= C:
            print("No")
            exit()
 
if D < C:
    tmp = 0
    for i in range(len(s)):
        if i == len(s) - 2 or i == len(s) - 1:
            continue
        else:
            if s[i] == '.' and s[i+1] == '.' and s[i+2] == '.' and B <= i + 1 <= D:
                tmp = 1
    if tmp != 1:
        print("No")
        exit()
 
 
 
def check(s, start, goal, ans):
    if start == goal:
        return 1
    if s[start] == '#':
        return 0
    if start + 1 <= N - 1:
        ans += check(s, start + 1, goal, ans)
    if start + 2 <= N - 1:
        ans += check(s, start + 2, goal, ans)
    return ans
 
ans = 0
if not check(s, B, D, ans):
    print("No")
    exit()
#s[D] = '#'
if not check(s, A, C, ans):
    print("No")
    exit()
print("Yes")

Buggy python submission (verdict: Runtime Error):

import sys
sys.setrecursionlimit(10000)

N, A, B, C, D = map(int, input().split())
s = list(input())

A -= 1
B -= 1
C -= 1
D -= 1


def check(s, start, goal, ans):
    if start == goal:
        return 1
    if s[start] == '#':
        return 0
    if start + 1 <= N - 1:
        ans += check(s, start + 1, goal, ans)
    if start + 2 <= N - 1:
        ans += check(s, start + 2, goal, ans)
    return ans

ans = 0
if not check(s, B, D, ans):
    print("No")
    exit()
#s[D] = '#'
if not check(s, A, C, ans):
    print("No")
    exit()
print("Yes")

Fixed submission:
import sys
sys.setrecursionlimit(100000000)
 
N, A, B, C, D = map(int, input().split())
s = list(input())
 
A -= 1
B -= 1
C -= 1
D -= 1
 
for i in range(len(s)):
    if i == len(s) - 1:
        continue
    else:
        if s[i] == '#' and s[i+1] == '#' and max(C, D) < i and i <= C:
            print("No")
            exit()
 
if D < C:
    tmp = 0
    for i in range(len(s)):
        if i == len(s) - 2 or i == len(s) - 1:
            continue
        else:
            if s[i] == '.' and s[i+1] == '.' and s[i+2] == '.' and B <= i + 1 <= D:
                tmp = 1
    if tmp != 1:
        print("No")
        exit()
 
 
 
def check(s, start, goal, ans):
    if start == goal:
        return 1
    if s[start] == '#':
        return 0
    if start + 1 <= N - 1:
        ans += check(s, start + 1, goal, ans)
    if start + 2 <= N - 1:
        ans += check(s, start + 2, goal, ans)
    return ans
 
ans = 0
if not check(s, B, D, ans):
    print("No")
    exit()
#s[D] = '#'
if not check(s, A, C, ans):
    print("No")
    exit()
print("Yes")

Buggy python submission (verdict: Runtime Error):
N, A, B, C, D = map(int, input().split())
s = list(input())

A -= 1
B -= 1
C -= 1
D -= 1


def check(s, start, goal, ans):
    if start == goal:
        return 1
    if s[start] == '#':
        return 0
    if start + 1 <= N - 1:
        ans += check(s, start + 1, goal, ans)
    if start + 2 <= N - 1:
        ans += check(s, start + 2, goal, ans)
    return ans

ans = 0
if not check(s, B, D, ans):
    print("No")
    exit()
#s[D] = '#'
if not check(s, A, C, ans):
    print("No")
    exit()
print("Yes")

Fixed submission:
import sys
sys.setrecursionlimit(100000000)
 
N, A, B, C, D = map(int, input().split())
s = list(input())
 
A -= 1
B -= 1
C -= 1
D -= 1
 
for i in range(len(s)):
    if i == len(s) - 1:
        continue
    else:
        if s[i] == '#' and s[i+1] == '#' and max(C, D) < i and i <= C:
            print("No")
            exit()
 
if D < C:
    tmp = 0
    for i in range(len(s)):
        if i == len(s) - 2 or i == len(s) - 1:
            continue
        else:
            if s[i] == '.' and s[i+1] == '.' and s[i+2] == '.' and B <= i + 1 <= D:
                tmp = 1
    if tmp != 1:
        print("No")
        exit()
 
 
 
def check(s, start, goal, ans):
    if start == goal:
        return 1
    if s[start] == '#':
        return 0
    if start + 1 <= N - 1:
        ans += check(s, start + 1, goal, ans)
    if start + 2 <= N - 1:
        ans += check(s, start + 2, goal, ans)
    return ans
 
ans = 0
if not check(s, B, D, ans):
    print("No")
    exit()
#s[D] = '#'
if not check(s, A, C, ans):
    print("No")
    exit()
print("Yes")