#include<iostream>
#include<cmath>
#include<vector>
using namespace std;
int main()
{
    int d;
    int fcount=0;
    double ave=0.0;
    int zcount=0;
    int sum=0;
    while(cin>>d)
    {
        if(d<0)
        {
            fcount++;
        }
        else
        {
            zcount++;
            sum+=d;
        }
    }
    cout<<fcount<<endl;
    if(zcount>0)
    {
        ave=(sum*1.0)/zcount;
    }
    printf("%.1lf\n",ave);
    return 0;
}