#include <iostream>
// Base class to input 5 numbers
class Numbers {
protected:
    double num[5];
public:
    void inputNumbers() {
        std::cout << "Enter 5 numbers: ";
        for (int i = 0; i < 5; ++i) {
            std::cin >> num[i];}
}
};
// Derived class to calculate the average of 5 numbers
class Average : public Numbers {
public:
    double calculateAverage() {
        double sum = 0.0;
   for (int i = 0; i < 5; ++i) {
            sum += num[i];
        }
return sum / 5.0;
    }
};
int main() {
    Average avgCalculator;

    // Input 5 numbers
    avgCalculator.inputNumbers();
 // Calculate and display the average
    double average = avgCalculator.calculateAverage();
    std::cout << "Average of the 5 numbers is: " << average << std::endl;
 return 0;
}