Basics Exam 20 December 2014

Problem_1___Piggy_Bank

using System;

namespace Problem_1___Piggy_Bank
{
    class PiggyBank
    {
        static void Main(string[] args)
        {
            int tankPrice = int.Parse(Console.ReadLine());
            int partiesPerMonth = int.Parse(Console.ReadLine());
            int savedMoney = (30 - partiesPerMonth) * 2;
            int spendMoney = partiesPerMonth * 5;
            bool isSaving = savedMoney > spendMoney;

            if (isSaving)
            {
                double monthsNeed = tankPrice / (double)(savedMoney - spendMoney);
                int years = (int)monthsNeed / 12;
                double months = Math.Ceiling(monthsNeed % 12);

                if (months >= 12)
                {
                    months -= 12;
                    years++;
                }

                Console.WriteLine("{0} years, {1} months", years, months);
            }
            else
            {
                Console.WriteLine("never");
            }
        }
    }
}