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