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++14 (GCC 5.4.1) (judge verdict: Accepted)

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <deque>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <cstring>
#include <iomanip>
#include <utility>
 
#define rep(i,n) for(int i=0;i<(n);i++)
#define reps(i,n) for(int i=1;i<=(n);i++)
#define lol long long
const int INF = 0x3f3f3f3f;
const long long LINF = 0x3f3f3f3f3f3f3f3fLL;
 
using namespace std;
 
int h,w,sx,sy,gx,gy,tx,ty;
char house[505][505];   
bool isvisited[505][505]={false};
 
void search(int x,int y){
    if(isvisited[x][y]){
        return;
    }
    isvisited[x][y]=true;
 
    if(x<=0 || x>h || y<=0 || y>w){
        return;
    }
 
    if(house[x][y]=='#'){
        return;
    }
 
    search(x-1,y-1);
    search(x-1,y);
    search(x-1,y+1);
    search(x,y-1);
    search(x,y);
    search(x,y+1);
    search(x+1,y-1);
    search(x+1,y);
    search(x+1,y+1);
}
 
int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  string s,t,u;
  int a,b;
  cin>>s;
  rep(i,s.size()){
    cout<<'x';
  }
  cout<<'\n';
  return 0;
}