segment .data
a           dw  12, 14, 16      ; array of 3 values
b           db   2,  4,  5      ; array of 3 values
sumofdiff   dq   0              ; memory to store the sum of differences


    segment .text
    global main
main:
    mov ax, [a]
    add ax, [a+2]
    add ax, [a+4]

    sub al, [b]
    sub al, [b+1]
    sub al, [b+2]
    mov [sumofdiff], ax

    xor rax, rax
    ret