> #include<stdio.h>
> #include<stdlib.h>
> 
> 
> int main()
> {
> 	int n,m,data;
> 	int sum,min,max;
> 
> 
> 	while(scanf("%d",&n)!=EOF){
> 		if(n==0)
> 			return 0;
> 		m=n;
> 		sum=0;
> 		min=0x5ffffff;
> 		max=-1;
> 		while(m--){
> 			scanf("%d",&data);
> 			sum+=data;
> 			if(min>data)
> 				min=data;
> 			if(max<data)
> 				max=data;
> 		}
> 
> 		printf("%d\n",(sum-min-max)/(n-2));
> 	}
> 	return 0;
> }