Usage:  44
store	74	11
show	11
copy	11	22
store	91	7
show	7
store	57	8
show	8
copy	8	39
store	94	20
copy	20	43
store	70	28
store	85	32
store	76	-73
store	96	-30
store	74	45
store	88	64
store	85	74
show	22
show	74
show	48
copy	7	30
copy	28	-39
exit