import java.util.Scanner;

// B - I miss you...
// https://atcoder.jp/contests/abc154/tasks/abc154_b
public class Main {

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

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; 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();
        scanner.close();

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; 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();
        scanner.close();

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; i++) {
            sb.append("x");
        }

        System.out.println(sb.toString());
    } main {
        Scanner scanner = new Scanner(System.in);
        String S = scanner.next();
        scanner.close();

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; 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 scanner.close() scanner.close scanner int sLength = S.length(); sLength S.length() S.length S StringBuilder sb = new StringBuilder(S.length()); sb new StringBuilder(S.length()) for (int i = 0; i < sLength; i++) {
            sb.append("x");
        } int i = 0; int i = 0; i 0 i < sLength i sLength 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();
        scanner.close();

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; 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();
        scanner.close();

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; i++) {
            sb.append("x");
        }

        System.out.println(sb.toString());
    }
} Main
import java.util.Scanner;

// B - I miss you...
// https://atcoder.jp/contests/abc154/tasks/abc154_b
public class Main {

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

        int sLength = S.length();

        StringBuilder sb = new StringBuilder(S.length());
        for (int i = 0; i < sLength; i++) {
            sb.append("x");
        }

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