#include <iostream>

using namespace std;

int main()
{
    int number,
        trys,
        numberOfTries = 0,
        sum = 0;
    double average;
    cout << "Logan Whitmire's Statistics Program" << endl;
    cout << "Enter a number: " << endl;
    cin >> number;
    while (number != -99)
    {
    sum += number;
    numberOfTries++;
    cout << "Enter a number: " << endl;
    cin >> number;
    }
    average = static_cast<double>(sum)/ static_cast<double>(numberOfTries);
    cout << "\n The number of numbers is: " << numberOfTries << endl;
    cout <<"The sum of numbers entered is: " << sum << endl;
    cout <<"The average value is: " << average << endl;

}