#include<iostream> using namespace std; int main(){ int n,sum=0,max=0,min=100; int score[20001]={0}; cin>>n; for(int i=1;i<=n;i++){ cin>>score[i]; sum+=score[i]; if(score[i]>max){ max=score[i]; } if(score[i]<min){ min=score[i]; } } sum-=max+min; printf("%.1lf",sum*1.0/(n-2)); return 0; }