import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.Scanner;
import java.util.Set;

public class Main {

	public static void main(String[] args) {
		execute7_3();
	}
	
	private static void execute7_3() {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	}
} import java.util.ArrayDeque; ArrayDeque java.util import java.util.Arrays; Arrays java.util import java.util.Comparator; Comparator java.util import java.util.HashMap; HashMap java.util import java.util.HashSet; HashSet java.util import java.util.List; List java.util import java.util.Map; Map java.util import java.util.Queue; Queue java.util import java.util.Scanner; Scanner java.util import java.util.Set; Set java.util public class Main {

	public static void main(String[] args) {
		execute7_3();
	}
	
	private static void execute7_3() {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	}
} Main public static void main(String[] args) {
		execute7_3();
	} main {
		execute7_3();
	} execute7_3() execute7_3 String[] args args private static void execute7_3() {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	} execute7_3 {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	} try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		} {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		} Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc String ans = ""; ans "" for(int i=0; i<s.length();i++) ans+="x"; int i=0; int i=0; i 0 i<s.length() i s.length() s.length s i++ i++ i ans+="x"; ans+="x" ans "x" System.out.println(ans) System.out.println System.out System System.out ans public class Main {

	public static void main(String[] args) {
		execute7_3();
	}
	
	private static void execute7_3() {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	}
} public class Main {

	public static void main(String[] args) {
		execute7_3();
	}
	
	private static void execute7_3() {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	}
} Main
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.Scanner;
import java.util.Set;

public class Main {

	public static void main(String[] args) {
		execute7_3();
	}
	
	private static void execute7_3() {
		try (Scanner sc = new Scanner(System.in)) {
			String s = sc.next();
			
			String ans = "";
			for(int i=0; i<s.length();i++) ans+="x";
			
			System.out.println(ans);
		}
	}
}