import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    } main {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc String t = s.replaceAll(".", "x"); t s.replaceAll(".", "x") s.replaceAll s "." "x" System.out.println(t) System.out.println System.out System System.out t String[] args args public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    }
} public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        String t = s.replaceAll(".", "x");
        System.out.println(t);
    }
}
