Untitled

#include <iostream>
#include <iomanip>

using namespace std;

int main() {
    double scores[6];

    for (int i = 0; i < 6; i++) {
        cin >> scores[i];
    }

    double maxScore = scores[0];
    double minScore = scores[0];
    double total = 0.0;

    for (int i = 0; i < 6; i++) {
        if (scores[i] > maxScore) {
            maxScore = scores[i];
        }
        if (scores[i] < minScore) {
            minScore = scores[i];
        }
        total += scores[i];
    }

    double average = (total - maxScore - minScore) / 4.0;

    cout << fixed << setprecision(1) << average << endl;

    return 0;
}