import java.util.*;

class Main{

    public static void main(String args[]) throws Exception{
        Main main = new Main();
    }

    public Main(){
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        int L = S.length();

        for(int i=0;i<L;i++){
            System.out.print("x");
        }

        System.out.println("");
    }
} import java.util.*; util.* java class Main{

    public static void main(String args[]) throws Exception{
        Main main = new Main();
    }

    public Main(){
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        int L = S.length();

        for(int i=0;i<L;i++){
            System.out.print("x");
        }

        System.out.println("");
    }
} Main public static void main(String args[]) throws Exception{
        Main main = new Main();
    } main {
        Main main = new Main();
    } Main main = new Main(); main new Main() String args[] args public Main(){
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        int L = S.length();

        for(int i=0;i<L;i++){
            System.out.print("x");
        }

        System.out.println("");
    } Main {
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        int L = S.length();

        for(int i=0;i<L;i++){
            System.out.print("x");
        }

        System.out.println("");
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String S = scanner.next(); S scanner.next() scanner.next scanner int L = S.length(); L S.length() S.length S for(int i=0;i<L;i++){
            System.out.print("x");
        } int i=0; int i=0; i 0 i<L i L 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 ""
import java.util.*;

class Main{

    public static void main(String args[]) throws Exception{
        Main main = new Main();
    }

    public Main(){
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        int L = S.length();

        for(int i=0;i<L;i++){
            System.out.print("x");
        }

        System.out.println("");
    }
}
