Buggy python submission (verdict: Runtime Error):
import sys
import math
import itertools
import bisect
from copy import copy,deepcopy
from collections import deque,Counter
from decimal import Decimal
def s(): return input()
def i(): return int(input())
def S(): return input().split()
def I(): return map(int,input().split())
def L(): return list(map(int,input().split()))
def l(): return list(map(int,input().split()))
def lcm(a,b): return a*b//math.gcd(a,b)
sys.setrecursionlimit(10 ** 9)
INF = 10**9
mod = 10**9+7

N,A,B,C,D = I()
maze = s()
Flag = 0
for i in range(A,max(C,D)):
    if maze[i-1:i+1] == '##':
        print('No')
        exit()
if C < D:
    print('Yes')
    exit()
for i in range(B-1,D)
    if maze[i-1:i+2] == '...':
        print('Yes')
        exit()
print('No')

Fixed submission:
import sys
import math
import itertools
import bisect
from copy import copy,deepcopy
from collections import deque,Counter
from decimal import Decimal
def s(): return input()
def i(): return int(input())
def S(): return input().split()
def I(): return map(int,input().split())
def L(): return list(map(int,input().split()))
def l(): return list(map(int,input().split()))
def lcm(a,b): return a*b//math.gcd(a,b)
sys.setrecursionlimit(10 ** 9)
INF = 10**9
mod = 10**9+7

N,A,B,C,D = I()
maze = s()
Flag = 0
for i in range(A,max(C,D)):
    if maze[i-1:i+1] == '##':
        print('No')
        exit()
if C < D:
    print('Yes')
    exit()
for i in range(B-1,D):
    if maze[i-1:i+2] == '...':
        print('Yes')
        exit()
print('No')

Buggy python submission (verdict: Runtime Error):
import sys
import math
import itertools
import bisect
from copy import copy,deepcopy
from collections import deque,Counter
from decimal import Decimal
def s(): return input()
def i(): return int(input())
def S(): return input().split()
def I(): return map(int,input().split())
def L(): return list(map(int,input().split()))
def l(): return list(map(int,input().split()))
def lcm(a,b): return a*b//math.gcd(a,b)
sys.setrecursionlimit(10 ** 9)
INF = 10**9
mod = 10**9+7

N,A,B,C,D = I()
maze = list(s())
if maze[0] == maze[1] == '#':
    print('No')
    exit()
Flag = 0
supt = 0
hupt = 0
for i in range(N-2):
    if maze[i+1] == maze[i+2] == '#':
        print('No')
        exit()
    if maze[i] == maze[i+1] == maze[i+2] == '.':
        Flag = 1
        hupt = i+1
        break
if C > D:
    if Flag == 0:
        print('No')
        exit()
    if B-1 <= hupt <= C-1
        print('Yes')
    else:
        print('No')
else:
    print('Yes')


Fixed submission:
import sys
import math
import itertools
import bisect
from copy import copy,deepcopy
from collections import deque,Counter
from decimal import Decimal
def s(): return input()
def i(): return int(input())
def S(): return input().split()
def I(): return map(int,input().split())
def L(): return list(map(int,input().split()))
def l(): return list(map(int,input().split()))
def lcm(a,b): return a*b//math.gcd(a,b)
sys.setrecursionlimit(10 ** 9)
INF = 10**9
mod = 10**9+7

N,A,B,C,D = I()
maze = s()
Flag = 0
for i in range(A,max(C,D)):
    if maze[i-1:i+1] == '##':
        print('No')
        exit()
if C < D:
    print('Yes')
    exit()
for i in range(B-1,D):
    if maze[i-1:i+2] == '...':
        print('Yes')
        exit()
print('No')