mod = int(1e9+7)
def add(a, b):
    c = a + b
    if c >= mod:
        c -= mod
    return c

def main():
  	n = len(raw_input())
  	temp = ['x' for _ in range(n)]
  	#print(temp)
  	print(''.join(temp))
    #ans = ''.join(temp)
	#print(ans)
    

main() mod = int(1e9+7) mod int(1e9+7) int 1e9+7 1e9 7 def add(a, b):
    c = a + b
    if c >= mod:
        c -= mod
    return c add c = a + b c a + b a b if c >= mod:
        c -= mod
     c >= mod c mod c -= mod c mod return c c a a b b def main():
  	n = len(raw_input())
  	temp = ['x' for _ in range(n)]
  	#print(temp)
  	print(''.join(temp))
    #ans = ''.join(temp)
	#print(ans)
     main n = len(raw_input()) n len(raw_input()) len raw_input() raw_input 'x' for _ in range(n) for _ in range(n) _ range(n) range n for _ in range(n) 'x' temp = ['x' for _ in range(n)] temp ['x' for _ in range(n)] print(''.join(temp)) print ''.join(temp) ''.join '' join temp main() main def add(a, b):
    c = a + b
    if c >= mod:
        c -= mod
    return c def add(a, b):
    c = a + b
    if c >= mod:
        c -= mod
    return c add def main():
  	n = len(raw_input())
  	temp = ['x' for _ in range(n)]
  	#print(temp)
  	print(''.join(temp))
    #ans = ''.join(temp)
	#print(ans)
     def main():
  	n = len(raw_input())
  	temp = ['x' for _ in range(n)]
  	#print(temp)
  	print(''.join(temp))
    #ans = ''.join(temp)
	#print(ans)
     main mod = int(1e9+7) int(1e9+7) mod
mod = int(1e9+7)
def add(a, b):
    c = a + b
    if c >= mod:
        c -= mod
    return c

def main():
  	n = len(raw_input())
  	temp = ['x' for _ in range(n)]
  	#print(temp)
  	print(''.join(temp))
    #ans = ''.join(temp)
	#print(ans)
    

main()