#include<bits/stdc++.h> using namespace std; int main() { int a[101], max = 0, min = 100, n, b = 0; cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; b = b + a[i]; if (max < a[i]) { max = a[i]; } if (min > a[i]) { min = a[i]; } } printf("%d %.2lf %d %d", b, b * 1.0 / n, max, min); return 0; }