import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class abc154_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class abc154_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) abc154_b solver = new abc154_b(); solver new abc154_b() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class abc154_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        }

    } abc154_b public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        } solve {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        } String S = in.next(); S in.next() in.next in for (int i = 0; i < S.length(); i++) {
                out.print("x");
            } int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
                out.print("x");
            } {
                out.print("x");
            } out.print("x") out.print out "x" out.println() out.println out int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class abc154_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class abc154_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        abc154_b solver = new abc154_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class abc154_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
            for (int i = 0; i < S.length(); i++) {
                out.print("x");
            }
            out.println();
        }

    }
}

