.att_syntax     noprefix
        .text
        .global main

main:
        call    readi32
        jc      out

        mov     eax, edx
        add     edx, NumberSum
        jno     main

        mov     NumberSum, eax
        mov     $1073741824, edx        // mask to detect first bit
        and     NumberSum, edx
        sar     $30, edx
        mov     edx, ebx
        xor     $1, ebx

        mov     edx, eax
        mov     $2147483647, ecx
        imul    ecx
        mov     eax, IntHighOverflow

        mov     ebx, eax
        mov     $-2147483648, ecx
        imul    ecx
        mov     eax, IntLowOverflow

        xor     eax, eax
        add     IntHighOverflow, eax
        add     IntLowOverflow, eax

        call    writei32
        call    nl
        call    finish

out:
        mov     NumberSum, eax
        call    writei32
        call    nl
        call    finish

        .data
NumberSum:
        .int    0
IntLowOverflow:
        .int    0
IntHighOverflow:
        .int    0