백준 #6764번 Sounds fishy!

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int d = sc.nextInt();
		
		if(a < b && b < c && c < d) {
			System.out.println("Fish Rising");
		}else if(a > b && b > c && c > d) {
			System.out.println("Fish Diving");
		}else if(a == b && b == c && c == d) {
			System.out.println("Fish At Constant Depth");
		}else {
			System.out.println("No Fish");
		}
		sc.close();
	}
}