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