#include<iostream>

#include<iomanip>

using namespace std;

int main (){

double b,c,d;

int a ,e = 1;

cin >> a;

while(e <= a){

	cin >> b;

	c = c + b;

	e++;

}

d = c / a;

cout << c << " " << fixed << setprecision(5) << 1.0 * d << endl;

}

#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<cctype>
#include<cstring>
#include<string>
#include<vector>
#include<set>
#include<stack>
#include<queue>
#include<iostream>
#include<iomanip>
#include<ctime>
#include<algorithm>
#include<map>
using namespace std;
int main(){
    int n,sum=0;
    cin>>n;
    for(int i=1;i<=n;i++){
        int a;
        cin>>a;
        sum+=a;
    }
    printf("%d %.5f",sum,sum*1.0/n);
}