if __name__ == '__main__':
	
	s = input()
	print("x" * len(s)) if __name__ == '__main__':
	
	s = input()
	print("x" * len(s)) __name__ == '__main__' __name__ '__main__' s = input() s input() input print("x" * len(s)) print "x" * len(s) "x" len(s) len s s = input() input() s
if __name__ == '__main__':
	
	s = input()
	print("x" * len(s))
