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 C++ (GCC 9.2.1) (judge verdict: Accepted)

#include <bits/stdc++.h>
using namespace std;
#define rep(src,dst)    for(int i=src; i<dst;  i++)
#define rep2(src,dst)   for(int j=src; j<dst;  j++)
#define INF 1000000000000 //1e12
#define MOD 1000000007 //1e9+7
#define PI  acos(-1)
#define ll long long
template<typename T> inline void cMin(T* a, T* b)  {if(*a>*b) *a=*b;}
template<typename T> inline void chMax(T* a, T* b) {if(*a<*b) *a=*b;}
template<typename T> inline int  div(T a, T b)     {return ((a+b-1)/b);}
template<typename T> inline bool eoVerify(T a)     {return (!(a&1)? true : false );}

/***********************
* O(1)                 *
* O(logN)              *
* O(N)                 *
* O(NlogN)             *
* O(N^2)               *
* O(N^3)               *
* O(k^N)               *
* O(N!)                *
************************/

int main(){
    string str; cin >> str;
    rep(0,str.size()) str[i] = 'x';
    cout << str << endl;
    return 0;
}