template <typename TYPE1, TYPE2>
TYPE operator+ (TYPE1 num1, TYPE2 num2)
{
    if (sizeof(num1.result) => sizeof(num2.result))
        TYPE1 result;
    else (sizeof(num1.result) < sizeof(num2.result))
        TYPE2 result;

    result.parametr = num1.parametr + num2.parametr;
    return result;
}