Script started on Wed Apr 10 13:00:31 2013 lucifer.local>> a.out Enter a positive integer: 5 Enter a positive integer: 4 BLACK starts this course of 5 checks. WHITE starts this course of 5 checks. BLACK starts this course of 5 checks. WHITE starts this course of 5 checks. lucifer.local>> exit exit Script done on Wed Apr 10 13:01:00 2013