Problem:
Score : 200 points

Problem Statement

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.

Sample Input 1

sardine

Sample Output 1

xxxxxxx

Replacing every character in S with x results in xxxxxxx.

Sample Input 2

xxxx

Sample Output 2

xxxx

Sample Input 3

gone

Sample Output 3

xxxx

Solution in Fortran (gfortran v4.8.4) (judge verdict: Accepted)

program i_miss_you___
  implicit none
  character(100) :: s
  integer :: n, i
  read(*,*) s
  n = len_trim(s)
  do i = 1, n
    s(i:i) = 'x'
  end do
  write(*,'(a)') trim(s)
end program i_miss_you___