import java.util.Scanner;

public class Main{
	public static void main(String[] args)throws Exception {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	}
} import java.util.Scanner; Scanner java.util public class Main{
	public static void main(String[] args)throws Exception {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	}
} Main public static void main(String[] args)throws Exception {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	} main {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String str = scan.next(); str scan.next() scan.next scan int num = -1+str.length(); num -1+str.length() -1 1 str.length() str.length str String result = "x"; result "x" for(int i = 0;i < num;i++) {
			result += "x";
		} int i = 0; int i = 0; i 0 i < num i num i++ i++ i {
			result += "x";
		} {
			result += "x";
		} result += "x" result "x" System.out.println(result) System.out.println System.out System System.out result scan.close() scan.close scan String[] args args public class Main{
	public static void main(String[] args)throws Exception {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	}
} public class Main{
	public static void main(String[] args)throws Exception {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	}
} Main
import java.util.Scanner;

public class Main{
	public static void main(String[] args)throws Exception {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		int num = -1+str.length();
		String result = "x";
		for(int i = 0;i < num;i++) {
			result += "x";
		}

		System.out.println(result);
		scan.close();
	}
}