s = input()
lists = []
for i in range(len(s)):
    lists.append("x")
ans = "".join(lists)
print(ans) s = input() s input() input lists = [] lists [] for i in range(len(s)):
    lists.append("x") i range(len(s)) range len(s) len s lists.append("x") lists.append lists append "x" ans = "".join(lists) ans "".join(lists) "".join "" join lists print(ans) print ans ans = "".join(lists) "".join(lists) ans s = input() input() s lists = [] [] lists
s = input()
lists = []
for i in range(len(s)):
    lists.append("x")
ans = "".join(lists)
print(ans)