1let rec tak x y z =
2  if x > y then tak (tak (x-1) y z) (tak (y-1) z x) (tak (z-1) x y)
3           else z
4
5let rec repeat n =
6  if n <= 0 then 0 else tak 18 12 6 + repeat(n-1)
7
8let _ = print_int (repeat 200); print_newline(); exit 0
9