import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    } main {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String s = scanner.next(); s scanner.next() scanner.next scanner int len = s.length(); len s.length() s.length s StringBuilder sb = new StringBuilder(s.length()); sb new StringBuilder(s.length()) for (int i = 0; i < len; i++) {
            sb.append("x");
        } int i = 0; int i = 0; i 0 i < len i len i++ i++ i {
            sb.append("x");
        } {
            sb.append("x");
        } sb.append("x") sb.append sb "x" System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String s = scanner.next();
        int len = s.length();
        StringBuilder sb = new StringBuilder(s.length());
        for (int i = 0; i < len; i++) {
            sb.append("x");
        }
        System.out.println(sb.toString());
    }
}