import java.util.Scanner;

public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; 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 scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; i++) {

			sb.append("x");

		}

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

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

		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; i++) {

			sb.append("x");

		}

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

	} main {

		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; i++) {

			sb.append("x");

		}

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

	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int n = scanner.nextLine().length(); n scanner.nextLine().length() scanner.nextLine().length scanner.nextLine() scanner.nextLine scanner StringBuilder sb = new StringBuilder(); sb new StringBuilder() for(int i = 0; i < n; i++) {

			sb.append("x");

		} int i = 0; int i = 0; i 0 i < n i n 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 scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; i++) {

			sb.append("x");

		}

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

	}
} public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; i++) {

			sb.append("x");

		}

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

	}
} Main
import java.util.Scanner;

public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextLine().length();
		StringBuilder sb = new StringBuilder();

		for(int i = 0; i < n; i++) {

			sb.append("x");

		}

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

	}
}