import java.util.*;

public class Main {
 	public static void main(String[] args) {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	}
} import java.util.*; util.* java public class Main {
 	public static void main(String[] args) {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	}
} Main public static void main(String[] args) {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	} main {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String str; str str = sc.next() str sc.next() sc.next sc int leng = str.length(); leng str.length() str.length str int idx = 0; idx 0 while(leng > idx) {
        	System.out.print("x");
        idx++;
      } leng > idx leng idx {
        	System.out.print("x");
        idx++;
      } System.out.print("x") System.out.print System.out System System.out "x" idx++ idx String[] args args public class Main {
 	public static void main(String[] args) {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	}
} public class Main {
 	public static void main(String[] args) {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	}
} Main
import java.util.*;

public class Main {
 	public static void main(String[] args) {
      
      Scanner sc = new Scanner(System.in);
      
      String str; 
      str = sc.next();
      
      int leng = str.length();
      int idx = 0;
      
   	  while(leng > idx) {
        	System.out.print("x");
        idx++;
      }

	}
}