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

      String s1=sc.next();
      String d="";
      for(int i=0;i<s1.length();i++)
            d+='x';
            
      System.out.print(d);
      


      }
}   import java.util.ArrayList; ArrayList java.util import java.util.*; util.* java import java.lang.Math; Math java.lang class Main{
     public static void main(String[] args) {
      Scanner sc=new Scanner(System.in);

      String s1=sc.next();
      String d="";
      for(int i=0;i<s1.length();i++)
            d+='x';
            
      System.out.print(d);
      


      }
} Main public static void main(String[] args) {
      Scanner sc=new Scanner(System.in);

      String s1=sc.next();
      String d="";
      for(int i=0;i<s1.length();i++)
            d+='x';
            
      System.out.print(d);
      


      } main {
      Scanner sc=new Scanner(System.in);

      String s1=sc.next();
      String d="";
      for(int i=0;i<s1.length();i++)
            d+='x';
            
      System.out.print(d);
      


      } Scanner sc=new Scanner(System.in); sc new Scanner(System.in) String s1=sc.next(); s1 sc.next() sc.next sc String d=""; d "" for(int i=0;i<s1.length();i++)
            d+='x'; int i=0; int i=0; i 0 i<s1.length() i s1.length() s1.length s1 i++ i++ i d+='x'; d+='x' d 'x' System.out.print(d) System.out.print System.out System System.out d String[] args args
import java.util.ArrayList;
import java.util.*;
import java.lang.Math;
 class Main{
     public static void main(String[] args) {
      Scanner sc=new Scanner(System.in);

      String s1=sc.next();
      String d="";
      for(int i=0;i<s1.length();i++)
            d+='x';
            
      System.out.print(d);
      


      }
}  