using System;

public class Program

{

    public static void Main()

    {

         int[] input = new int[21] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20};

            for (int i = 0; i < input[20]; i++)

            {

                int multi;

                multi = 5 * input[i];

                Console.Write("{0},",multi);

            }

            Console.ReadLine();

    }

}