Mencari Nilai Terbesar dari 4 Bilangan Pada Java

import java.io.DataInputStream;
import java.io.IOException;
public class percabangan2 {
    public static void main(String[]args) throws IOException{
        DataInputStream input=new DataInputStream(System.in);
       int a,b,c,d;
       
        System.out.print("Masukkan Nilai Pertama = ");
        a=Integer.parseInt(input.readLine());
        System.out.print("Masukkan Nilai Kedua   = ");
        b=Integer.parseInt(input.readLine());
        System.out.print("Masukkan Nilai Ketiga  = ");
        c=Integer.parseInt(input.readLine());
        System.out.print("Masukkan Nilai Keempat = ");
        d=Integer.parseInt(input.readLine());
        if (a>b){
            if(a>c){
                if (a>d){
                    System.out.println("Angka Terbesar = "+a);
                }else{
                    System.out.println("Angka Terbesar = "+d);
                }       
            }else{
                if (c>d){
                    System.out.println("Angka Terbesar = "+c);
                }else{
                    System.out.println("Angka Terbesar = "+d);
                }
            }
        }else{
            if (b>c){
                if (b>d){
                    System.out.println("Angka Terbesar = "+b);
                }else{
                    System.out.println("Angka Terbesar = "+d);
                } 
            }else{
                if (c>d){
                    System.out.println("Angka Terbesar = "+c);
                }else{
                    System.out.println("Angka Terbesar = "+d);
                }
            }
        }
    }
}