extern printf
extern fflush
extern scanf

section .data
    fmt db "%d %d %d %d", 0
    fmtPrint1 db "A", 10, 0
    fmtPrint2 db "B", 10, 0
    fmtPrint3 db "C", 10, 0
    fmtPrint4 db "D", 10, 0
    fmtPrint5 db "E", 10, 0

section .bss
    a resd 1
    b resd 1
    c resd 1
    d resd 1

section .text
    global main

main:

    ;input
    push a
    push b
    push c
    push d
    push fmt
    call scanf
    add esp, 20

    ;penjumlahan
    mov eax, [a]
    add eax, [b]
    add eax, [c]
    add eax, [d]
    mov edx, 0
    mov ecx, 4
    div ecx

    cmp eax, 80
    jae satu

    cmp eax,  60
    jae dua

    cmp eax, 50
    jae tiga

    cmp eax, 40
    jae empat

    cmp eax, 0
    jae lima

    satu:
    push eax
    push fmtPrint1
    call printf
    add esp, 8
    push 0
    call fflush
    jmp exit

    dua:
    push eax
    push fmtPrint2
    call printf
    add esp, 8
    push 0
    call fflush
    jmp exit

    tiga:
    push eax
    push fmtPrint3
    call printf
    add esp, 8
    push 0
    call fflush
    jmp exit

    empat:
    push eax
    push fmtPrint4
    call printf
    add esp, 8
    push 0
    call fflush
    jmp exit

    lima:
    push eax
    push fmtPrint5
    call printf
    add esp, 8
    push 0
    call fflush
    jmp exit

exit:
    mov eax, 1
    mov ebx, 0
    int 0x80