#include<iostream> using namespace std; int main(){ int num,sum=0,min=100,max=0; int score[20000]; cin>>num; 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]; } printf("%.1lf",1.0*(sum-max-min)/(num-2)); return 0; }