task1

.SECT .TEXT

MOV BX, arr
MOV SI, 1

MOV     CX, end - arr
        SHR     CX, 1
1:
    MOV AX, (BX)
    MOV DI, 1
    CWD
    DIV DI
    CMP DX, -1
    JE  LELSE
    MOV     AX, SI
    MUL (BX)
    ADD BX, 2
    MOV SI, AX
LELSE:
        LOOP    1b

.SECT .DATA
arr:    .WORD   2, 5, 3, 8, 1, 4
end:    .BYTE   0

.SECT .BSS