package com.company.ExamM;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.Scanner;


public class RealShit2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String[]words=sc.nextLine().split(" ");

        StringBuilder result=new StringBuilder();

        for(String word : words) {
            int count = word.length();
            for (int i = 0; i < count; i++) {
                result.append(word);
            }
        }

        System.out.print(result);


    }
}