Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
import sys
import math
from bisect import bisect_left
from bisect import bisect_right
import collections
import copy
import heapq
from collections import defaultdict
from heapq import heappop, heappush
input = sys.stdin.readline
 
# bisect_left(lists, 3)
# bisect_right(lists, 3)

# heapq.heapify(a) #リストaのheap化
# heapq.heappush(a,x) #heap化されたリストaに要素xを追加
# heapq.heappop(a) #heap化されたリストaから最小値を削除＆その最小値を出力

# heapq.heappush(a, -x) #最大値を取り出す時は、pushする時にマイナスにして入れよう
# heapq.heappop(a) * (-1) #取り出す時は、-1を掛けて取り出すこと

def main():
	N, A, B, C, D = map(int, input().split(" "))
	#N = int(input())
	S = input()
	S = list(S)
	S = S[:-1]

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

	if A > C or B > D:
		print("No")
		sys.exit()

	iwa = []
	kara = []
	for i, val in enumerate(S):
		if val == "#":
			iwa.append(i)
		else:
			kara.append(i)

	for i in range(A+1, C):
		if i in iwa:
			tmp = iwa.index(i)
			if len(iwa)-1 > tmp and iwa[tmp+1] == i+1:
				print("No")
				sys.exit()

	for i in range(B+1, D):
		if i in iwa:
			tmp = iwa.index(i)
			if len(iwa)-1 > tmp and iwa[tmp+1] == i+1:
				print("No")
				sys.exit()

	if A < B and B < C and C < D:
		print("Yes")
		sys.exit()
	elif B < A and A < D and D < C:
		print("Yes")
		sys.exit()
	elif A < B and B < D and D < C:
		for i in range(A+1, C):
			if i in kara:
				tmp = kara.index(i)
				if C >= i+2 and len(kara)-2 > tmp :
					if (kara[tmp+1] == i+1) and (kara[tmp+2] == i+2):
						print("Yes")
						sys.exit()
		print("No")
		sys.exit()
	elif B < A and A < C and C < D:
		for i in range(B+1, D):
			if i in kara:
				tmp = kara.index(i)
				if D >= i+2 and len(kara)-2 > tmp :
					if (kara[tmp+1] == i+1) and (kara[tmp+2] == i+2):
						print("Yes")
						sys.exit()
		print("No")
		sys.exit()

	print("Yes")
	

if __name__ == "__main__":
	main()

Fixed submission:
# -*- coding: utf-8 -*-
import sys
import math
from bisect import bisect_left
from bisect import bisect_right
import collections
import copy
import heapq
from collections import defaultdict
from heapq import heappop, heappush
input = sys.stdin.readline
 
# bisect_left(lists, 3)
# bisect_right(lists, 3)

# heapq.heapify(a) #リストaのheap化
# heapq.heappush(a,x) #heap化されたリストaに要素xを追加
# heapq.heappop(a) #heap化されたリストaから最小値を削除＆その最小値を出力

# heapq.heappush(a, -x) #最大値を取り出す時は、pushする時にマイナスにして入れよう
# heapq.heappop(a) * (-1) #取り出す時は、-1を掛けて取り出すこと

def main():
	N, A, B, C, D = map(int, input().split(" "))
	#N = int(input())
	S = input()
	S = list(S)
	S = S[:-1]

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

	if C < D:
		S = S[A:D+1]
	else:
		S = S[A:C+1]

	iwa = []
	kara = []
	nige = []
	for i, val in enumerate(S):
		if val == "#":
			if len(iwa) >= 1 and iwa[-1] == i-1:
				print("No")
				sys.exit()
			iwa.append(i)
		else:
			#print(i)
			#print(len(kara))
			#print(kara)
			
			if len(kara) > 1 and kara[-1] == i-1 and kara[-2] == i-2:
				nige.append(i-2)
			kara.append(i)
	#print(S)
	#print(nige)
	'''
	for i in range(A+1, C):
		if i in iwa:
			tmp = iwa.index(i)
			if len(iwa)-1 > tmp and iwa[tmp+1] == i+1:
				print("No")
				sys.exit()

	for i in range(B+1, D):
		if i in iwa:
			tmp = iwa.index(i)
			if len(iwa)-1 > tmp and iwa[tmp+1] == i+1:
				print("No")
				sys.exit()
	'''
	if A < B and B < C and C < D:
		print("Yes")
		sys.exit()
	elif A < C and C < B and B < D:
		print("Yes")
		sys.exit()
	else:
		for i in nige:
			if B-1 <= i and i+2 <= D+1:
				print("Yes")
				sys.exit()
	'''
	elif A < B and B < D and D < C:
		for i in range(A+1, C):
			if i in kara:
				tmp = kara.index(i)
				if C >= i+2 and len(kara)-2 > tmp :
					if (kara[tmp+1] == i+1) and (kara[tmp+2] == i+2):
						print("Yes")
						sys.exit()
		print("No")
		sys.exit()
	'''
	print("No")
	

if __name__ == "__main__":
	main()