import java.io.InputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} import java.io.InputStream; InputStream java.io import java.io.PrintStream; PrintStream java.io import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} Main InputStream in = System.in; in System.in System System.in PrintStream out = System.out; out System.out System System.out public void _main(String[] args) {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	} _main {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	} Scanner sc = new Scanner(in); sc new Scanner(in) String S = sc.next(); S sc.next() sc.next sc sc.close() sc.close sc for (int i = 0; i < S.length(); i++) {
			out.print("x");
		} int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
			out.print("x");
		} {
			out.print("x");
		} out.print("x") out.print out "x" out.println() out.println out String[] args args public static void main(String[] args) {
		new Main()._main(args);
	} main {
		new Main()._main(args);
	} new Main()._main(args) new Main()._main new Main() args String[] args args public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} Main
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

		String S = sc.next();

		sc.close();

		for (int i = 0; i < S.length(); i++) {
			out.print("x");
		}
		out.println();

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
}
