private static void OutputMonth(MonthsCollection collection, int days)
 {
     foreach (var mon in collection.FilterbyCountDays(days))
     {
         Console.Write("{0, -10}", mon.name);
         Console.Write("|{0, -10}", mon.number);
         Console.WriteLine("|{0, -10}", mon.countDays);
     }
     Console.Write("\n");
     Console.ReadKey();
 }