Base 3

using System;

internal class Program
{
    static void Main(string[] args)
    {
        int minNumber = 5;
        int stepNumber = 7;
        int maxNumber = 103;

        for(int i = minNumber; i <= maxNumber; i += stepNumber)
        {
            Console.WriteLine(i);
        }

        Console.ReadLine();
    }
}