#include<iostream>
using namespace std;;
int main() {
	int max = 0;
	int min = 100;
	int n, t;
	cin >> n;
	double x = 0;
	for (int i = 0; i < n; i++) {
		cin >> t;
		if (t > max)max = t;
		if (t < min)min = t;
		x += t;
	}
	printf("%d\n%d\n", max, min);
	printf("%.2lf", x / n);
	return 0;
}