백준 6764 자바 - Sounds fishy!

// Sounds fishy!
package Bronze_IV_4;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Ex6764 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int[] arr = new int[4];

        for (int i = 0; i < arr.length; i++) {
            arr[i] = Integer.parseInt(br.readLine());
        }
        if (arr[0] < arr[1] && arr[1] < arr[2] && arr[2] < arr[3]) {
            System.out.printf("Fish Rising");
        } else if (arr[0] > arr[1] && arr[1] > arr[2] && arr[2] > arr[3]) {
            System.out.printf("Fish Diving");
        } else if (arr[0] == arr[1] && arr[1] == arr[2] && arr[2] == arr[3]) {
            System.out.printf("Fish At Constant Depth");
        }
        else {
            System.out.printf("No Fish");
        }
    }
}