Vinyl C++ update

#include <iostream>

using namespace std;

void Welcome()
{
    cout << "Welcome to Vinyl Scratch's MathFinder!\r\n";
    cout << "It's my first C++ program, so I wanted to see if you guys liked it, and if I did well.\r\n\r\n\r\n";
}


int main()
{

    unsigned long Width, Height, Base, Width2, Length2;


    Welcome();

    enum mathType {Area, Volume, Perimeter};

    mathType Math;
    int x;

    cout << "What math type would you like?(0-2) Area is 0, Volume is 1, and Perimeter is 2.\r\n";
    cin >> x;
    Math = mathType(x);

    if (Math == Area)
        {
            if (!cin.good())
                {
                cout << "Invalid Character, please input an integer.\r\n";
                return 1;
                }

            cout << "Enter Width then Length:" << "\r\n";
            cin >> Width;
            cin >> Height;
            cout << "Area is:" << Width * Height << endl;
        }


    if (Math == Volume)
        {
            if (!cin.good())
            {
                cout << "Invalid Character, please input an integer.\r\n";
                return 1;
            }

            cout << "Enter Width, then Height, then Base:\r\n";
            cin >> Width;
            cin >> Height;
            cin >> Base;
            cout << "Volume is:" << Width * Height * Base << endl;
        }

    if (Math == Perimeter)
    {
        if (!cin.good())
        {
            cout << "Invalid Character, please input an integer.\r\n";
            return 1;
        }

        cout << "Enter Width, then Length.\r\n";
        cin >> Width;
        cin >> Height;

        Width2 = Width * 2;
        Length2 = Height * 2;

        cout << "Perimeter is:" << Width2 + Length2 << endl;
    }

    return 0;

}