#include<iostream>
#include<cstdio>
using namespace std;
int main(){
	ios::sync_with_stdio(false);
	int n,t,h=0,g=0;
	double avg;
	for(int i=1;i<=n;i++){
		cin>>t;
		h=h+t;
		g++;
	} 
	avg=h/g;
	printf("%d %.5lf",h,avg);
	return 0;
}

结果三个测试点RE，两个TLE