using System;

public class Program

{

    public static void Main()

    {

        string[] words = Console.ReadLine()

            .Split();

        string result = string.Empty;

        foreach (string currentWord in words)

        {

            for (int i = 0; i < currentWord.Length; i++)

            {

                result += currentWord;

            }

        }

        Console.WriteLine(result);

    }

}