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