import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String str = scan.next();

		scan.close();

		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < str.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 str = scan.next();

		scan.close();

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

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

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

		Scanner scan = new Scanner(System.in);

		String str = scan.next();

		scan.close();

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

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

		Scanner scan = new Scanner(System.in);

		String str = scan.next();

		scan.close();

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

		System.out.println(sb.toString());
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String str = scan.next(); str scan.next() scan.next scan scan.close() scan.close scan StringBuilder sb = new StringBuilder(); sb new StringBuilder() for (int i = 0; i < str.length(); i++) {
			sb.append('x');
		} int i = 0; int i = 0; i 0 i < str.length() i str.length() str.length str 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 str = scan.next();

		scan.close();

		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < str.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 str = scan.next();

		scan.close();

		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < str.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 str = scan.next();

		scan.close();

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

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

}