去掉最高分、最低分，取平均

import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double sum = 0, mn = 100, mx = 0;
        while (sc.hasNext()){
            double n = sc.nextDouble();
            sum += n;
            if(mx < n) mx = n;
            if(mn > n) mn = n;
        }
        System.out.printf("%.2f", (sum - mn - mx)/5);
    }
}