0 0 0 0 	input 0 ->15
3 1 0 0 	input 1->200
6  2 0 0 	input 2 ->35
9  98 1 44 	skip 2,300
12 17 0 0 	clear 1
15 112 0 0 	return

300 16 0 0 clear 0
303 112 0 0 return