#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    double a,b=0.0,c=0.0,i;
    scanf("%lf",&a);
    for(i=1;i<=a;i++){
        scanf("%lf",&b);
        c=c+b;
    }
    cout<<c<<" ";
    printf("%.5lf",c/a);
    return 0;
}