> .....
#include<iostream>
using namespace std;
int main()
{
	int n;
	while(scanf("%d",&n)&&n!=0){
		int i,a[1000],sum=0,min=1000000,max=0;
		for(i=0;i<n;i++){
			scanf("%d",&a[i]);
			sum+=a[i];
			if(a[i]>max) max=a[i];
			if(a[i]<min) min=a[i];
		}
		sum=sum-max-min;
		sum/=(n-2);
		printf("%d\n",sum);
	}
	return 0;
}