import java.util.*;
class Main {
    public static void main(String[] args) {
        Scanner scan =new Scanner(System.in);
        String s = scan.next();
        String str = "";
        for (String i : s.split("") ){
            str += "x";
        }
        System.out.println(str);
    }
} import java.util.*; util.* java class Main {
    public static void main(String[] args) {
        Scanner scan =new Scanner(System.in);
        String s = scan.next();
        String str = "";
        for (String i : s.split("") ){
            str += "x";
        }
        System.out.println(str);
    }
} Main public static void main(String[] args) {
        Scanner scan =new Scanner(System.in);
        String s = scan.next();
        String str = "";
        for (String i : s.split("") ){
            str += "x";
        }
        System.out.println(str);
    } main {
        Scanner scan =new Scanner(System.in);
        String s = scan.next();
        String str = "";
        for (String i : s.split("") ){
            str += "x";
        }
        System.out.println(str);
    } Scanner scan =new Scanner(System.in); scan new Scanner(System.in) String s = scan.next(); s scan.next() scan.next scan String str = ""; str "" for (String i : s.split("") ){
            str += "x";
        } String i s.split("") s.split s "" {
            str += "x";
        } {
            str += "x";
        } str += "x" str "x" System.out.println(str) System.out.println System.out System System.out str String[] args args
import java.util.*;
class Main {
    public static void main(String[] args) {
        Scanner scan =new Scanner(System.in);
        String s = scan.next();
        String str = "";
        for (String i : s.split("") ){
            str += "x";
        }
        System.out.println(str);
    }
}