#include <iostream>
#include<iomanip>
using namespace std;
int main()
{
    int num, count1 = 0, count2 = 0;
    float sum = 0.0, mean = 0.0;
    while (cin >> num)
    {
        if (num < 0)
            count1++;
        else if (num > 0)
        {
            count2++;
            sum += num;
        }
    }
    if (count2 > 0)
        mean = sum / count2;
    cout << count1 << endl;
    cout << setiosflags(ios::fixed|ios::showpoint) << setprecision(1) << mean;
}