using System;
using System.Collections.Generic;
using System.Linq;



class Program
{
    static void Main()
    {
        int tankPrice = int.Parse(Console.ReadLine());
        int parties = int.Parse(Console.ReadLine());
        int monthCash = 60 - (parties * 2);
        int cashForParties = parties * 5;
        double months =(double)tankPrice / (monthCash - cashForParties);
        int monthsInt =(int)Math.Ceiling(months);
        if (parties > 8)
        {
            Console.WriteLine("never");
        }
        else
        {
            int years = monthsInt / 12;
            months = monthsInt % 12;
            Console.WriteLine("{0} years, {1} months", years, months);
        }
    }
}