
import java.io.InputStream;
import java.io.PrintStream;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    }
} import java.io.InputStream; InputStream java.io import java.io.PrintStream; PrintStream java.io import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    }
} Main public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    } main {
        solve(System.in, System.out);
    } solve(System.in, System.out) solve System.in System System.in System.out System System.out String[] args args static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    } solve {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    } Scanner scan = new Scanner(is); scan new Scanner(is) String S = scan.next(); S scan.next() scan.next scan 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" os.println(sb.toString()) os.println os sb.toString() sb.toString sb InputStream is is PrintStream os os public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    }
} Main

import java.io.InputStream;
import java.io.PrintStream;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        String S = scan.next();
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < S.length(); i++) {
            sb.append("x");
        }

        os.println(sb.toString());
    }
}