// This program calculates the average
// of three test scores.
#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	double test1, test2, test3;   // To hold the scores
	double average;
	
	// Get the three test scores.
	cout << "Enter the first test score: ";
	cin >> test1;
	cout << "Enter the second test score: ";
	cin >> test2;
	cout << "Enter the third test score: ";
	cin >> test3;
	
	// Calculate the average of the scores.
	average = (test1 + test2 + test3) / 3.0;
	
	// Display the average.
	cout << "The average score is: " << average << endl;
	return 0;
}