// package app;

import java.util.Arrays;
import java.util.Objects;
import java.util.Scanner;
import java.util.stream.Stream;

public class Main {

    public static void main(final String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    }
} import java.util.Arrays; Arrays java.util import java.util.Objects; Objects java.util import java.util.Scanner; Scanner java.util import java.util.stream.Stream; Stream java.util.stream public class Main {

    public static void main(final String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    }
} Main public static void main(final String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    } main {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    } final Scanner sc = new Scanner(System.in); sc new Scanner(System.in) final String S = sc.next(); S sc.next() sc.next sc StringBuffer sb = new StringBuffer(); sb new StringBuffer() for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        } int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S 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 final String[] args args public class Main {

    public static void main(final String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    }
} public class Main {

    public static void main(final String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    }
} Main
// package app;

import java.util.Arrays;
import java.util.Objects;
import java.util.Scanner;
import java.util.stream.Stream;

public class Main {

    public static void main(final String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        // final long N = sc.nextLong();
        // final long A = sc.nextLong();
        // final long B = sc.nextLong();
        // final String s = sc.next();
        // final String b = sc.next();

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < S.length(); i++) {
            sb.append('x');
        }

        System.out.println(sb.toString());

        // System.out.println(A <= X && A + B >= X ? "YES" : "NO");

    }
}