PrintNumbersFromRangeWithMenu

#include < iostream >

int main()
{
    int numberFirst, numberSecond;
    std::cout << "\nEnter first number\n";
    std::cin >> numberFirst;
    std::cout << "\nEnter second number\n";
    std::cin >> numberSecond;
    int operation;
    std::cout << "\nGreat, now choose an operation\n";
    std::cout << "\n1 - if you want to see even numbers\n";
    std::cout << "\n2 - if you want to see odd numbers\n";
    std::cout << "\n3 - if you want to see multy seven numbers\n";
    std::cin >> operation;
    std::cout << '\n';

    int tmp{};
    if (numberFirst > numberSecond)
    {
        tmp = numberFirst;
        numberFirst = numberSecond;
        numberSecond = tmp;
    }

    for (bool flag{false}; numberFirst < numberSecond; ++numberFirst)
    {
        flag = false;
        if (operation == 1 and numberFirst % 2 == 0) { flag = true; };
        if (operation == 2 and numberFirst % 2 != 0) { flag = true; };
        if (operation == 3 and numberFirst % 7 == 0) { flag = true; };
        if (flag) { std::cout << numberFirst << '\n'; };
    }
}