import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	} main {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc char[] a =S.toCharArray(); a S.toCharArray() S.toCharArray S for(int i=0;i<S.length();i++) {
			a[i]='x';
		} int i=0; int i=0; i 0 i<S.length() i S.length() S.length S i++ i++ i {
			a[i]='x';
		} {
			a[i]='x';
		} a[i]='x' a[i] a i 'x' System.out.println(a) System.out.println System.out System System.out a String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	}
} Main
import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		char[] a =S.toCharArray();
		
		for(int i=0;i<S.length();i++) {
			a[i]='x';
		}
		System.out.println(a);

	}
}
