import java.util.Scanner;

public class Main {
	static String A = "";
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	}
} import java.util.Scanner; Scanner java.util public class Main {
	static String A = "";
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	}
} Main static String A = ""; A "" public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	} main {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String word = sc.next(); word sc.next() sc.next sc int n = word.length(); n word.length() word.length word for(int i = 0; i < n; i++)
			A += 'x'; int i = 0; int i = 0; i 0 i < n i n i++ i++ i A += 'x'; A += 'x' A 'x' System.out.print(A) System.out.print System.out System System.out A String[] args args public class Main {
	static String A = "";
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	}
} public class Main {
	static String A = "";
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	}
} Main
import java.util.Scanner;

public class Main {
	static String A = "";
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String word = sc.next();
		int n = word.length();
		for(int i = 0; i < n; i++)
			A += 'x';
		System.out.print(A);
		
	}
}