не выполняется 3е условие
package com.javarush.task.task04.task0419;
import java.io.BufferedReader ;
import java.io.InputStreamReader;
import java.util.Scanner;
/*
Максимум четырех чисел
*/
public class Solution {
public static void main(String[] args) throws Exception {
//напишите тут ваш код
Scanner scan = new Scanner(System.in);
int a = scan.nextInt();
//BufferedReader reader = new BufferedReader( new InputStreamReader (System.in));
//int a = Integer.parseInt( reader.readLine ());
//int b = Integer.parseInt( reader.readLine ());
//int d = Integer.parseInt( reader.readLine ());
//int f = Integer.parseInt (reader.readLine ());
int b = scan.nextInt();
int d = scan.nextInt();
int f = scan.nextInt();
if (a > b || a > d || a > f ) {
System.out.println( a ) ;
}
else if (b > a || b >d || b > f ) {
System.out.println(b);
}
else if ( d > a || d > b || d > f ){
System.out.println(d );
}
else if ( f > a || f > b || f > d ) {
System.out.println(f);
}
else if ( a == b || b == d || d == f ){
System.out.println (b);
}
}
}