extern printf
extern fflush
extern scanf

section .data
    fmt db "%d", 0
    fmtPrint db "%d", 10, 0

    num0 dd 0
    num1 dd 1

section .bss
    num resd 1
    temp resd 1

section .text
    global main

main:
    push num
    push fmt
    call scanf
    add esp, 8

    mov dword[temp], 0
    mov dword[temp + 4], 1

    mov esi, 2

looping:
    mov ecx, esi
    dec ecx
    mov eax, [temp + 4*ecx]
    dec ecx
    add eax, [temp + 4*ecx]

    mov dword[temp + 4*esi], eax

    inc esi
    cmp esi, [num]
    jbe looping

    mov edi, [num]
    mov eax, [temp + 4*edi]

    ; printf
    push eax
    push fmtPrint
    call printf
    add esp, 8

exit:
    push 0
    call fflush

    mov eax, 1
    mov ebx, 0
    int 0x80