import java.util.Scanner;


public class Main {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	}
} Main public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	} main {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc StringBuilder result = new StringBuilder(); result new StringBuilder() for(int i = 0; i < s.length(); i++) {
			result.append('x');
		} int i = 0; int i = 0; i 0 i < s.length() i s.length() s.length s i++ i++ i {
			result.append('x');
		} {
			result.append('x');
		} result.append('x') result.append result 'x' System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	}
} public class Main {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	}
} Main
import java.util.Scanner;


public class Main {
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		StringBuilder result = new StringBuilder();
		for(int i = 0; i < s.length(); i++) {
			result.append('x');
		}
		
		System.out.println(result);
	}
}
