import java.util.*;

import java.io.*;
 
public class Main{

    public static int stringToInt(char i, int[] a){
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    }
 
	public static void main(String[] $){
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	}
}  import java.util.*; util.* java import java.io.*; io.* java public class Main{

    public static int stringToInt(char i, int[] a){
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    }
 
	public static void main(String[] $){
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	}
} Main public static int stringToInt(char i, int[] a){
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    } stringToInt {
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    } if(i == 'A') return a[0]; i == 'A' i 'A' return a[0]; a[0] a 0 if(i == 'B') return a[1]; i == 'B' i 'B' return a[1]; a[1] a 1 if(i == 'C') return a[2]; i == 'C' i 'C' return a[2]; a[2] a 2 return 0; 0 char i i int[] a a public static void main(String[] $){
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	} main {
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) String S = s.next(); S s.next() s.next s for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        } int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
            System.out.print("x");
        } {
            System.out.print("x");
        } System.out.print("x") System.out.print System.out System System.out "x" System.out.println() System.out.println System.out System System.out String[] $ $ public class Main{

    public static int stringToInt(char i, int[] a){
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    }
 
	public static void main(String[] $){
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	}
} public class Main{

    public static int stringToInt(char i, int[] a){
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    }
 
	public static void main(String[] $){
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	}
} Main
import java.util.*;

import java.io.*;
 
public class Main{

    public static int stringToInt(char i, int[] a){
        if(i == 'A') return a[0];
        if(i == 'B') return a[1];
        if(i == 'C') return a[2];
        return 0;
    }
 
	public static void main(String[] $){
		Scanner s = new Scanner(System.in);
        String S = s.next();
        for(int i = 0; i < S.length(); i++){
            System.out.print("x");
        }
        System.out.println();
        
	}
} 