import java.util.*;

public class Main {
  public static void main(final String[] args) {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  }
} import java.util.*; util.* java public class Main {
  public static void main(final String[] args) {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  }
} Main public static void main(final String[] args) {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  } main {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  } final Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc sc.close() sc.close sc int cnt = s.length(); cnt s.length() s.length s String x = ""; x "" for (int i = 0; i < cnt; ++i){
      x += "x";
    } int i = 0; int i = 0; i 0 i < cnt i cnt ++i ++i i {
      x += "x";
    } {
      x += "x";
    } x += "x" x "x" System.out.println(x) System.out.println System.out System System.out x final String[] args args public class Main {
  public static void main(final String[] args) {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  }
} public class Main {
  public static void main(final String[] args) {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  }
} Main
import java.util.*;

public class Main {
  public static void main(final String[] args) {
    final Scanner sc = new Scanner(System.in);
    String s = sc.next();
    sc.close();

    int cnt = s.length();
    String x = "";
    for (int i = 0; i < cnt; ++i){
      x += "x";
    }

      System.out.println(x);
  }
}