#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { int n; while (cin >> n, n) { int buf, sum, sz; vector<int> s; while(n--) { cin >> buf; s.push_back(buf); } sort(s.begin(), s.end()); sum = 0; sz = s.size(); for (int i = 1; i < sz-1; i++) sum += s[i]; cout << sum/(sz-2) << endl; } return 0; }