import java.util.Scanner;

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

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