1 array 4 4
2 var 4
3 var 4
4 var 4
5 var 4
6 var 4
7 write 4 4 1 2 3
8 write 4 4 7 4 5
9 read 4 8 6
10 eq 1 4 6
11 eq 1 5 9
12 and 1 10 -11
13 eq 1 2 6
14 and 1 -10 13
15 eq 1 3 9
16 and 1 14 -15
17 and 1 -12 -16
18 root 1 -17