import java.util.*;
import java.lang.Math;
 
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  }
} import java.util.*; util.* java import java.lang.Math; Math java.lang public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  }
} Main public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  } main {
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc String a = ""; a "" for (int i = 0; i < S.length(); i ++) {
      a += "x";
    } int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i ++ i ++ i {
      a += "x";
    } {
      a += "x";
    } a += "x" a "x" System.out.println(a) System.out.println System.out System System.out a String[] args args public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  }
} public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  }
} Main
import java.util.*;
import java.lang.Math;
 
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    
    String S = sc.next();
    
    String a = "";
    
    for (int i = 0; i < S.length(); i ++) {
      a += "x";
    }
    System.out.println(a);
  }
}