#include<iostream> using namespace std; int main(){ int num; cin>>num; double score[20000],max=0,min=100,sum=0,b; for(int i=0;i<num;i++){ cin>>score[i]; sum+=score[i]; if(score[i]>max) max=score[i]; if(score[i]<min) min=score[i]; } b=(sum-max-min)/(num-2); printf("%.1lf",b); return 0; }