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