import java.util.Scanner;
public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	}

} 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();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	}

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

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	} main {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String s = scan.next(); s scan.next() scan.next scan String a = ""; a "" String okikae = ""; okikae "" for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		} int i=0; int i=0; i 0 i<s.length() i s.length() s.length s i++ i++ i {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		} {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		} okikae = s.substring(i,i+1) okikae s.substring(i,i+1) s.substring s i i+1 i 1 okikae = "x" okikae "x" a = a+ okikae a a+ okikae a okikae System.out.println(a) System.out.println System.out System System.out a scan.close() scan.close scan String[] args args public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	}

} public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	}

} Main
import java.util.Scanner;
public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		String a = "";
		String okikae = "";

		for(int i=0;i<s.length();i++) {

			okikae = s.substring(i,i+1);
			 okikae = "x";
			 a = a+ okikae;

		}

		System.out.println(a);

		scan.close();

	}

}
