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
 *
 * @author Silviase
 */
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);
    BIMissYou solver = new BIMissYou();
    solver.solve(1, in, out);
    out.close();
  }

  static class BIMissYou {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    }

  }
}
 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);
    BIMissYou solver = new BIMissYou();
    solver.solve(1, in, out);
    out.close();
  }

  static class BIMissYou {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    }

  }
} 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);
    BIMissYou solver = new BIMissYou();
    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);
    BIMissYou solver = new BIMissYou();
    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) BIMissYou solver = new BIMissYou(); solver new BIMissYou() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class BIMissYou {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    }

  } BIMissYou public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    } solve {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    } String s = in.next(); s in.next() in.next in 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" out.println(new String(sb)) out.println out new String(sb) 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);
    BIMissYou solver = new BIMissYou();
    solver.solve(1, in, out);
    out.close();
  }

  static class BIMissYou {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    }

  }
} 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);
    BIMissYou solver = new BIMissYou();
    solver.solve(1, in, out);
    out.close();
  }

  static class BIMissYou {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    }

  }
} 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
 *
 * @author Silviase
 */
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);
    BIMissYou solver = new BIMissYou();
    solver.solve(1, in, out);
    out.close();
  }

  static class BIMissYou {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      String s = in.next();
      StringBuffer sb = new StringBuffer();
      for (int i = 0; i < s.length(); i++) {
        sb.append("x");
      }
      out.println(new String(sb));
    }

  }
}

