
import java.util.*;
public class Main {
	public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	}
}











 import java.util.*; util.* java public class Main {
	public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	}
} Main public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	} main {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	} Scanner input = new Scanner(System.in); input new Scanner(System.in) int len = input.next().length(); len input.next().length() input.next().length input.next() input.next input String s = ""; s "" for(int i = 0; i < len; ++i) {
			s += 'x';
		} int i = 0; int i = 0; i 0 i < len i len ++i ++i i {
			s += 'x';
		} {
			s += 'x';
		} s += 'x' s 'x' System.out.println(s) System.out.println System.out System System.out s input.close() input.close input String []args args public class Main {
	public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	}
} public class Main {
	public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	}
} Main

import java.util.*;
public class Main {
	public static void main(String []args) {
		Scanner input = new Scanner(System.in);
		int len = input.next().length();
		String s = "";
		for(int i = 0; i < len; ++i) {
			s += 'x';
		}
		System.out.println(s);
		input.close();
		
	}
}












