When Deathmoon start MC game, the system let him choose a time for the first day. So, Deathmoon choose 1970-1-1 for the first day. He like this game very much, so he play it many days. Then he asks you the Nth second is which day? And which year? And which month?

Input ends of EOF.
Each data contains only one integer N (0 <= N <= 1,000,000,000).

You should output "year : Y", "month: M" and "day: D" when Y, M and D are answers.