using System;

​

public class Program

{

    public static void Main()

    {

        string input = Console.ReadLine();

        char[] charInput = input.ToCharArray();

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

        {

            for (int j = 0; j <= i; j++)

            {

                 /*if(j == 0){

                    //yang ini

                    string upper = charInput[i].ToUpper();

                Console.Write(upper);

                }else{*/

                Console.Write(charInput[i]);

                //} 

            }

            Console.Write("-");

        }

    }

}

​