Направьте в нужное русло
package com.javarush.task.task04.task0441;
/*
Как-то средненько
*/
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int a = Integer.parseInt(reader.readLine());
int b = Integer.parseInt(reader.readLine());
int c = Integer.parseInt(reader.readLine());
if (a == b && b == c) System.out.println(a);
if (a == b && a != c) System.out.println(a);
if (b == c && c != a) System.out.println(b);
if (a == c && b != c) System.out.println(c);
if (a >= b && b > c || a <= b && b < c || c >= b && b > a) System.out.println(b);
if (b >= a && a > c || b <= a && a < c || c >= a && a > b) System.out.println(a);
if (b >= c && c > a || b <= c && c < a || a >= c && c > b) System.out.println(c);
}
}