#include <bits/stdc++.h> using namespace std; int a[108]; int main() { int n, m= 0, s; cin >> n; for(int i = 0;i< n;i++) { cin >> a[i]; m =m + a[i]; } int maxn = a[0]; int minn = a[0]; for(int i = 0;i < n;i++) { if(a[i] > maxn) { maxn = a[i]; } if(a[i] < minn) { minn = a[i]; } } float avg= (float)m / n; cout << m << " " << fixed << setprecision(2) << avg << " " << maxn << " "<< minn << endl; return 0; }