import java.util.Arrays;
import java.util.Scanner;
public class Main {

public static void main(String[] args) {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
}
} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {

public static void main(String[] args) {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
}
} Main public static void main(String[] args) {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
} main {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
} Scanner input= new Scanner(System.in); input new Scanner(System.in) String st=input.next(); st input.next() input.next input int a = st.length(); a st.length() st.length st String n =""; n "" int i=0; i 0 while (i < a) {
		n +="x";
		i++;
		
			
		
		} i < a i a {
		n +="x";
		i++;
		
			
		
		} n +="x" n "x" i++ i System.out.println(n) System.out.println System.out System System.out n String[] args args public class Main {

public static void main(String[] args) {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
}
} public class Main {

public static void main(String[] args) {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
}
} Main
import java.util.Arrays;
import java.util.Scanner;
public class Main {

public static void main(String[] args) {
		Scanner input= new Scanner(System.in);
		String st=input.next();
		int a = st.length();
		String n ="";
		int i=0;
		while (i < a) {
		n +="x";
		i++;
		
			
		
		}	
		System.out.println(n);
}
}