#include<iostream>
#include<algorithm>
using namespace std;
long long a[1000000];
int main() {
	int n;
	double sum = 0, aver = 0;
	cin >> n;
	for (long long i = 1; i <= n; i++) {
		cin >> a[i];
		sum += a[i];
		sort(a + 1, a + i + 1);
		if (i > 2) {
			aver = (sum - a[1] - a[i]) / (i - 2);
			printf("%.2lf\n", aver);
		}
	}
	return 0;
}