#include <iostream>

using namespace std;

void calcAverage(int a, int b, int c);

int main()
{
	cout << "This is the start of the program " << endl;

	int num1;
	int num2;
	int num3;

	cout << "Enter number 1: ";
	cin >> num1;
	cout << "Enter number 2: ";
	cin >> num2;
	cout << "Enter number 3: ";
	cin >> num3;

	calcAverage(num1, num2, num3);

	cout << "This is the end of the program " << endl;

	return 0;
}

void calcAverage(int a, int b, int c)
{
	cout << "The average is " << (a + b + c) / 3 << endl;
}