#Macで実行する時
import sys
import os
if sys.platform=="darwin":
	base = os.path.dirname(os.path.abspath(__file__))
	name = os.path.normpath(os.path.join(base, '../atcoder/input.txt'))
	#print(name)
	sys.stdin = open(name)

s = input()

#print(len(s))

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

print("".join(ans))

 import sys sys import os os if sys.platform=="darwin":
	base = os.path.dirname(os.path.abspath(__file__))
	name = os.path.normpath(os.path.join(base, '../atcoder/input.txt'))
	#print(name)
	sys.stdin = open(name) sys.platform=="darwin" sys.platform sys platform "darwin" base = os.path.dirname(os.path.abspath(__file__)) base os.path.dirname(os.path.abspath(__file__)) os.path.dirname os.path os path dirname os.path.abspath(__file__) os.path.abspath os.path os path abspath __file__ name = os.path.normpath(os.path.join(base, '../atcoder/input.txt')) name os.path.normpath(os.path.join(base, '../atcoder/input.txt')) os.path.normpath os.path os path normpath os.path.join(base, '../atcoder/input.txt') os.path.join os.path os path join base '../atcoder/input.txt' sys.stdin = open(name) sys.stdin sys stdin open(name) open name s = input() s input() input ans=[] ans [] for i in range(len(s)):
    ans.append("x") i range(len(s)) range len(s) len s ans.append("x") ans.append ans append "x" print("".join(ans)) print "".join(ans) "".join "" join ans base = os.path.dirname(os.path.abspath(__file__)) os.path.dirname(os.path.abspath(__file__)) base s = input() input() s ans=[] [] ans name = os.path.normpath(os.path.join(base, '../atcoder/input.txt')) os.path.normpath(os.path.join(base, '../atcoder/input.txt')) name
#Macで実行する時
import sys
import os
if sys.platform=="darwin":
	base = os.path.dirname(os.path.abspath(__file__))
	name = os.path.normpath(os.path.join(base, '../atcoder/input.txt'))
	#print(name)
	sys.stdin = open(name)

s = input()

#print(len(s))

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

print("".join(ans))


