Buggy python submission (verdict: Runtime Error):
n, a, b, c, d = map(lambda x:int(x)-1,input().split())
n += 1
S = input()

ok = True
overtake = False

if c < d:
    overtake = True
    
for i in range(a,d):
    if S[i] == "#" and S[i+1] == "#":
        ok = False

for i in range(b,d+1):
    if S[i] == "." and S[i-1] == "." and S[i+1] == ".":
        overtake = True
        
if ok and overtake:
    print('Yes')
else:
    print('No')

Fixed submission:
n, a, b, c, d = map(lambda x:int(x)-1,input().split())
n += 1
S = input()

ok = True
overtake = False

if c < d:
    overtake = True
    
for i in range(a,d):
    if S[i] == "#" and S[i+1] == "#":
        ok = False

for i in range(b,min(d+1,n-1)):
    if S[i] == "." and S[i-1] == "." and S[i+1] == ".":
        overtake = True
        
if ok and overtake:
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
import numpy as np

n, a, b, c, d = map(lambda x:int(x)-1,input().split())
n += 1
S = input()

ok = True
overtake = False

if c < d:
    overtake = True
    
for i in range(a,d):
    if S[i] == "#" and S[i+1] == "#":
        ok = False

for i in range(b,n-1):
    if S[i] == "." and S[i-1] == "." and S[i+1] == ".":
        overtake = True
        
if ok and overtake:
    print('Yes')
else:
    print('No')

Fixed submission:
n, a, b, c, d = map(lambda x:int(x)-1,input().split())
n += 1
S = input()

ok = True
overtake = False

if c < d:
    overtake = True
    
for i in range(a,d):
    if S[i] == "#" and S[i+1] == "#":
        ok = False

for i in range(b,min(d+1,n-1)):
    if S[i] == "." and S[i-1] == "." and S[i+1] == ".":
        overtake = True
        
if ok and overtake:
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
import numpy as np

n, a, b, c, d = map(lambda x:int(x)-1,input().split())
n += 1
S = [1 if s == "." else 0 for s in input()]

ok = True
overtake = False

if a<b and c<d:
    overtake= True
if b<a and d<c:
    overtake = True
    
groups = []
tmp = 0
zeros = 0
for n in S:
    if n == 1:
        if zeros != 0:#直前まで０だったとき
            groups.append(zeros)
            zeros = 0#リセット
        tmp += 1
    elif n == 0:
        if tmp != 0:#直前まで１だったとき
            groups.append(tmp)
            tmp = 0#リセット
        zeros -= 1
if tmp != 0:
    groups.append(tmp)
if zeros != 0:
    groups.append(zeros)

now = 0
for i in range(len(groups)):
    if now+abs(groups[i]) >= max(a,b):
        ind = i
        break
    now += abs(groups[i])

for i in range(ind+1,len(groups)):
    if groups[i] >= 3:
        overtake = True
    if groups[i] <= -2:
        ok = False

if now+groups[ind]-max(a,b) >= 2:
    overtake= True
if now+groups[ind]-max(a,b) >= 1 and max(a,b)-now >= 1:
    overtake = True

if overtake and ok:
    print('Yes')
else:
    print('No')


Fixed submission:
n, a, b, c, d = map(lambda x:int(x)-1,input().split())
n += 1
S = input()

ok = True
overtake = False

if c < d:
    overtake = True
    
for i in range(a,d):
    if S[i] == "#" and S[i+1] == "#":
        ok = False

for i in range(b,min(d+1,n-1)):
    if S[i] == "." and S[i-1] == "." and S[i+1] == ".":
        overtake = True
        
if ok and overtake:
    print('Yes')
else:
    print('No')