Given is a string S. Replace every character in S with `x` and print the result.

Constraints

* S is a string consisting of lowercase English letters.
* The length of S is between 1 and 100 (inclusive).

Input

Input is given from Standard Input in the following format:


S


Output

Replace every character in S with `x` and print the result.

Examples

Input

sardine


Output

xxxxxxx


Input

xxxx


Output

xxxx


Input

gone


Output

xxxx
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()