#include <iostream>

using namespace std;

int main()
{
    short number;
    short count = 0, sum = 0;
    while (1)
    {
        if (cin >> number)
        {
            sum += number;
            count++;
            cout << "number " << number << endl;
        }
        else
        {
            double mid = (double)sum / (double)count;
            cout << "mid " << mid << endl;
            break;
        }
    }
    system("PAUSE");
    return 0;
}