Sample Output:
$ java Pi 10 5000000
Total = 5000000
Inside = 3927743
Ratio = 0.785549
Pi = 3.142194
Time: 0.103000 sec
$ java Pi 10 50000
Total = 50000
Inside = 39565
Ratio = 0.791300
Pi = 3.165200
Time: 0.010000 sec
$ java Pi 1000 6500000
Total = 6500000
Inside = 5100106
Ratio = 0.784632
Pi = 3.138527
Time: 0.190000 sec