#include<bits/stdc++.h>
using namespace std;
int n;
int ch,cnt;
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&ch);
		cnt+=ch;
	}
	double ans=cnt/n; 
	printf("%d %.5lf",cnt,ans);
	return 0;
}