DividableByGivenNumber

using System;

/*11* Write a program that reads two positive integer numbers and prints how many numbers p exist between them such that the reminder of the division by 5 is 0. Examples:
start	end	p	comments
17	    25	2	20, 25
5	    30	6	5, 10, 15, 20, 25, 30
*/

class DividableByGivenNumber
{
    static void Main()
    {
        Console.Write("Enter start number: ");
        int startNum = int.Parse(Console.ReadLine());
        Console.Write("Enter end number: ");
        int endNum = int.Parse(Console.ReadLine());
        Console.Write("Enter P: ");
        int p = int.Parse(Console.ReadLine());

        if (startNum >= endNum)
        {
            Console.WriteLine("Invalid input");
        }

        for (int i = 0; i < p; i++)
        {
            while (startNum % 5 != 0)
            {
                startNum++;
            }

            if (startNum % 5 == 0 && startNum <= endNum)
            {
                Console.Write(startNum + ", ");
                startNum = startNum + 5;
            }
        }
        Console.WriteLine();
    }
}