Can't solve last two requirements

/*
Somehow average

*/
import java.io.*;
import java.util.Scanner;

public class Solution {
    public static void main(String[] args) throws Exception {
        //write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

     int sum =a+b+c;

     int middlenumber = sum-min(a,b,c)-max(a,b,c);
     System.out.println(middlenumber);
     }

    public static int max(int a,int b ,int c){
        int max=0;
        if(a>=b && b >=c) {
            if(a>=c){
                return max =a;
            }else {
                return max =b;
            }
        }else if(a>=c && c>=b){
            return max=a;
        }else if(b>=a && b>=c){
            return b;
        }
        else if(c>=a && c>=b){
            return max =c;
        }
        return max;
    }
    public static int min(int a,int b ,int c){
        int min=0;
        if(a<=b && b<=c){
            if(c<=a){
                return min =c;
            }else{
                return min =a;
            }
        }else if(b<=c && b<=a){
            return min =b;

        }
        else if(a<=c && c<=b){
            return a;
        }
        else if(c<=a && c<=b){
            return min =c;
        }
        return min;
    }
}