import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	}
} Main public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	} main {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String S = scan.next(); S scan.next() scan.next scan StringBuilder sb  = new StringBuilder(); sb new StringBuilder() for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		} int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
			sb.append('x');
		} {
			sb.append('x');
		} sb.append('x') sb.append sb 'x' System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	}
} public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String S = scan.next();
		StringBuilder sb  = new StringBuilder();
		
		for(int i = 0; i < S.length(); i++) {
			sb.append('x');
		}

		System.out.println(sb.toString());
	}
}