1 array 1 2
2 zero 2
3 one 2
4 constd 2 2
5 ones 2
6 read 1 1 2
7 read 1 1 3
8 read 1 1 4
9 read 1 1 5
10 and 1 6 7
11 and 1 8 -9
12 and 1 10 11
13 root 1 12