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