load x ac = x
sto t t = x
li 3 ac = 3
add t ac = x + 3
sto t t = x + 3
load x ac = x
sto t + 1 t + 1 = x
load y ac = y
sto t + 2 t + 2 = y
li 2 ac = 2
add t + 2 ac = y + 2
add t + 1 ac = x + ( y + 2 )
add t ac = ( x + 3 ) + ( x + ( y + 2 ) )