push 1 push 1 use +(2) push 3 push 1 use -(2) use ==(2) use print(1) push 1 push 1 use +(2) push 3 push 1 use -(2) use ==(2) if goto(17, false) push false use &&(2) use print(1) push 1 push 1 use +(2) push 3 push 1 use -(2) use ==(2) if goto(32, false) push 5 push 3 use /(2) push 2 use ==(2) use &&(2) use print(1) push 1 push 1 use +(2) push 3 push 1 use -(2) use ==(2) if goto(47, true) push 5 push 3 use /(2) push 2 use ==(2) use ||(2) use print(1)