#include<iostream>
using namespace std;
#define N 10000
double a[N];
int main(){
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	double max_=-10001,min_=10001,sum_=0;
	for(int i=0;i<n;i++){
		if(max_<=a[i]){
			max_=a[i];
		}
		if(min_>=a[i]){
			min_=a[i];
		}
		sum_+=a[i];
	}
	cout<<max_<<endl<<min_<<endl<<sum_;
	return 0;
}