```cpp
#include<bits/stdc++.h>
using namespace std;
int a[1000001];
int main()
{
	double n,min=100,max=0,s=0;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
		s=s+a[i];
		if(a[i]>max)
		max=a[i];
		if(a[i]<min)
		min=a[i];
		if(i>=3)
		cout<<fixed<<setprecision(2)<<(s-min-max)/(i-2)<<endl;
	}
	return 0;
}