#include <bits/stdc++.h>
using namespace std;
long long n;
double a[100010],b[1000010];
double c,maxx,minn=1e8;
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		cin>>a[i];
		maxx=max(maxx,a[i]);
		minn=min(minn,a[i]);
		b[i]=b[i-1]+a[i];
		if(i>=3){
			printf("%.2f",(b[i]-maxx-minn)/(i-2));
			cout<<endl;
		}
	}
	return 0;
}