#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
    setlocale(LC_ALL, ".1251");

    char* firstNum = new char[255];
    char* secondNum = new char[255];
    char* answer = new char[300];

    cout << "Enter first BigNum: ";
    cin.getline(firstNum, 255);

    for (int i = 0; i < strlen(firstNum); i++)
    {
        if (isalpha(firstNum[i]))
        {
            cout << "Wrond first BigNum!\n";
            return 1;
        }
    }

    cout << "Enter second BigNum: ";
    cin.getline(secondNum, 255);

    for (int i = 0; i < strlen(secondNum); i++)
    {
        if (isalpha(secondNum[i]))
        {
            cout << "Wrond second BigNum!\n";
            return 1;
        }
    }

    bool firstMore = false;
    int firstLen = strlen(firstNum) - 1, secondLen = strlen(secondNum) - 1;

    if (firstLen - secondLen >= 0)
        firstMore = true;

    if (firstMore)
    {
        _asm
        {
            mov eax, 0; десяток
            mov ecx, 0; итерактивная сумма
            mov esi, firstNum
            mov edi, secondNum
            mov eci, answer;
            add esi, firstLen
            add edi, secondLen

            _start:
                cmp edi, 0
                    je _fillEmpty
                add ecx, [esi]
                add ecx, [edi]
                add ecx, eax
                cmp ecx, 10
                    jg _greater
                    jmp _lower
            _greater:
                mov AL, ecx
                mov BL, 10
                DIV BL
                mov [eci], BL
                DEC eci
                DEC esi
                DEC edi
                add eax, AL
                jmp _start

            _lower:
                mov [eci], ecx
                mov eax, 0
                DEC eci
                DEC esi
                DEC edi
                jmp _start

            _fillEmpty:
                cmp esi, 0
                    jg _fill
                jmp _exit

            _fill:
                mov [eci], [esi]
                DEC eci
                DEC esi
                jmp _fillEmpty

            _exit:
        }
    }


}