import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.PriorityQueue;
import java.util.Scanner;

class Main {
    static final int MOD = 1000000007;
    static final int INF = 1 << 30;
    static final int ALF = 26;

    Main() {
        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 static void main(String[] args) {
        new Main();
    }
} import java.math.BigInteger; BigInteger java.math import java.util.ArrayList; ArrayList java.util import java.util.Arrays; Arrays java.util import java.util.Collections; Collections 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.Iterator; Iterator java.util import java.util.List; List java.util import java.util.Map; Map java.util import java.util.Map.Entry; Entry java.util.Map import java.util.PriorityQueue; PriorityQueue java.util import java.util.Scanner; Scanner java.util class Main {
    static final int MOD = 1000000007;
    static final int INF = 1 << 30;
    static final int ALF = 26;

    Main() {
        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 static void main(String[] args) {
        new Main();
    }
} Main static final int MOD = 1000000007; MOD 1000000007 static final int INF = 1 << 30; INF 1 << 30 1 30 static final int ALF = 26; ALF 26 Main() {
        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 {
        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);
    } Scanner sc = new Scanner(System.in); sc 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 static void main(String[] args) {
        new Main();
    } main {
        new Main();
    } new Main() String[] args args
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.PriorityQueue;
import java.util.Scanner;

class Main {
    static final int MOD = 1000000007;
    static final int INF = 1 << 30;
    static final int ALF = 26;

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