#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int max,min; for(int i=0;i<n;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; }