import java.util.*;

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

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