#include <iostream>
#include <string>
using namespace std;

int main()
{
	//step 0: Declare some variables
	double score1;
	double score2;
	double score3;

	double average;

	//step 1: Ask user for their 3 exam scores
	cout << "Please enter 3 exam scores: " << endl;
	cin >> score1;
	cin >> score2;
	cin >> score3;

	//step 2: compute average of 3 scores
	average = (score1 + score2 + score3) / 3;

	//step 3: tell user the average
	cout << "Your average for the course is " << average << endl;


	return 0;
}