1 var 1
2 const 1 0
3 var 1
4 var 1
5 const 1 1
6 add 1 -4 5
7 add 1 -3 6
8 and 1 -2 -7
9 and 1 1 -8
10 var 1 9
11 and 1 10 -7
12 and 1 -2 -3
13 and 1 2 3
14 and 1 -12 -13
15 and 1 -11 14
16 and 1 9 -15
17 root 1 16