Piggy_Bank

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _01.Piggy_Bank
{
    class Piggy_Bank
    {
        static void Main(string[] args)
        {
            //•   On the first line you will be given an integer – the price of the tank.
            decimal priceOfTheTank = decimal.Parse(Console.ReadLine());
            //•   On the second line you will be given the number of party days in a month.
            uint partyDays = uint.Parse(Console.ReadLine());
            uint daysInMonth = 30;
            uint normalDays = daysInMonth - partyDays;
            uint normalDaysSaves = normalDays * 2;
            uint partyDaysSpend = partyDays * 5;
            uint averagePerMonth = normalDaysSaves - partyDaysSpend;
            double monthsNeeded = Math.Ceiling((double)priceOfTheTank / averagePerMonth);

            double neededYears = Math.Floor(monthsNeeded / 12.0);

            double monthsLeft = Math.Ceiling(monthsNeeded % 12);

            if (normalDaysSaves > partyDaysSpend)
            {
                Console.WriteLine("{0} years, {1} months", neededYears, monthsLeft);
            }
            else
            {
                Console.WriteLine("never");
            }
        }
    }
}