import java.io.*;
import java.util.*;

class Main {

    public static void main(String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);
        String S = sc.next();
        StringBuilder sb = new StringBuilder();
		for (int i = 0; i < S.length(); i++) {
			sb.append("x");
		}
		System.out.println(sb.toString());
    }
} import java.io.*; io.* java import java.util.*; util.* java class Main {

    public static void main(String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);
        String S = sc.next();
        StringBuilder sb = new StringBuilder();
		for (int i = 0; i < S.length(); i++) {
			sb.append("x");
		}
		System.out.println(sb.toString());
    }
} Main public static void main(String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);
        String S = sc.next();
        StringBuilder sb = new StringBuilder();
		for (int i = 0; i < S.length(); i++) {
			sb.append("x");
		}
		System.out.println(sb.toString());
    } main {
        final Scanner sc = new Scanner(System.in);
        String S = sc.next();
        StringBuilder sb = new StringBuilder();
		for (int i = 0; i < S.length(); i++) {
			sb.append("x");
		}
		System.out.println(sb.toString());
    } final Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc StringBuilder sb = new StringBuilder(); sb new StringBuilder() for (int i = 0; i < S.length(); i++) {
			sb.append("x");
		} int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
			sb.append("x");
		} {
			sb.append("x");
		} sb.append("x") sb.append sb "x" System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args
import java.io.*;
import java.util.*;

class Main {

    public static void main(String[] args) throws Exception {
        final Scanner sc = new Scanner(System.in);
        String S = sc.next();
        StringBuilder sb = new StringBuilder();
		for (int i = 0; i < S.length(); i++) {
			sb.append("x");
		}
		System.out.println(sb.toString());
    }
}
