s = input()
a = ["x"]*len(s)
print("".join(a)) s = input() s input() input a = ["x"]*len(s) a ["x"]*len(s) ["x"] "x" len(s) len s print("".join(a)) print "".join(a) "".join "" join a a = ["x"]*len(s) ["x"]*len(s) a s = input() input() s
s = input()
a = ["x"]*len(s)
print("".join(a))