import java.util.*;
public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  }
} import java.util.*; util.* java public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  } main {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc String t; t for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    } int i=0 ; int i=0 ; i 0 i<s.length() i s.length() s.length s i++ i++ i {
      t = s.substring(i,i+1);
      System.out.print("x");
    } {
      t = s.substring(i,i+1);
      System.out.print("x");
    } t = s.substring(i,i+1) t s.substring(i,i+1) s.substring s i i+1 i 1 System.out.print("x") System.out.print System.out System System.out "x" System.out.println() System.out.println System.out System System.out String[] args args public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  }
} public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  }
} Main
import java.util.*;
public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t;

    for(int i=0 ; i<s.length() ; i++){
      t = s.substring(i,i+1);
      System.out.print("x");
    }
    System.out.println();
  }
}
