HiddenText/Chosen__1			HiddenText/chega_in_unix
f	1	first = input()	f	1	first = input()
	2	second = input()		2	second = input()
	3	max_step = len(first)		3	max_step = len(first)
	4	# print(max_step)		4	# print(max_step)
	5	result = 0		5	result = 0
	6	starts = [i for i, e in enumerate(first) if e == second[0]]		6	starts = [i for i, e in enumerate(first) if e == second[0]]
	7	# print(starts)		7	# print(starts)
	8	for step in range(1, max_step+1):		8	for step in range(1, max_step+1):
	9	# print(step)		9	# print(step)
	10	for s in starts:		10	for s in starts:
	11	area = first[s:len(first):step]		11	area = first[s:len(first):step]
	12	#print(step, len(area),area[0],area[-1])		12	#print(step, len(area),area[0],area[-1])
	13	if second in area:		13	if second in area:
	14	result = 1		14	result = 1
t			t	15	if result:
	15	break		16	break
	16	if result:		17	if result:
	17	break		18	break
	18	if result:		19	if result:
	19	print('YES')		20	print('YES')
	20	else:		21	else:
	21	print('NO')		22	print('NO')
	22			23

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