#include<iostream> using namespace std; int main() { int z[101], n, a = 0, max = 0, zx = 10001; double ty; cin >> n; for (int i = 1; i <= n; i++) { cin >> z[i]; a += z[i]; } cout << a << ' '; for (int i = 1; i <= n; i++) { if (max < z[i]) { max = z[i]; } if (zx > z[i]) zx = z[i]; } ty = a * 1.0 / n; printf("%.2lf", ty); cout << ' ' << max << ' ' << zx << ' '; return 0; }