#include<iostream>
using namespace std;

int main(){

    int temp;
    int sum=0;
    int count1=0;
    int count2=0;
    while(cin>>temp){
        if(temp<0){
            count1++;
        }
        else{
            sum+=temp;
            count2++;
        }
    }

    cout<<count1<<endl;

    if(count2==0)
        cout<<"0.0"<<endl;
    else
        printf("%0.1f\n",(double)sum/count2);

    return 0;
}