java program that will compute the frequency that the 13th of each month lands on Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday over a given period of N years.
program which reads in the name of the comet and the name of the group and figures out whether according to the above scheme the names are a match, printing GO if they match and STAY if not.
determine how much more (or less) each person in the group gives than they receive.