.386
.model flat, stdcall
.data
ListaNumero dword 0,2,5,9,10
total dword 0
.code
start:
    ;write your code here
    mov ecx, LENGTHOF ListaNumero
    mov esi, OFFSET ListaNumero

    Ciclo:
        mov eax,[esi]
        add esi, 4
        mov ebx,[esi]

        sub ebx, eax
        add total, ebX
    Loop Ciclo

    mov eax, total

    ret
    END start