Example

#include <iostream>

using namespace std;

class numbers {

    int value1;
    int value2;

    public:
    numbers () {
        value1 = 0;
        value2 = 0;
    }

    void set_values (int input1, int input2) {
        value1 = input1;
        value2 = input2;
        cout << "Values set to " << value1 << " and " << value2 << endl;
    }

    int add () {
        return value1 + value2;
    }

    int multiply () {
        return value1 * value2;
    }

};

int main () {
    numbers num1, num2;

    num1.set_values (1, 3);
    num2.set_values (5, 10);

    cout << "num1 Added: " << num1.add () << endl;
    cout << "num1 Multiplied: " << num1.multiply () << endl;

    cout << "num2 Added: " << num2.add () << endl;
    cout << "num2 Multiplied: " << num2.multiply () << endl;

    cout << "Done \n";
}