#include <iostream>

using namespace std;

int main(void)
{
	int x,y,z;
	float w;

	cout << "Enter the first number: ";
	cin >> x;
	cout << " \nEnter the second number: ";
	cin >> y;
	cout << "\nEnter the third number: ";
	cin >> z;
	w = (float) (x+y+z)/3.0;
	cout << "\n The average is " << w << endl;
	return 0;
}