[백준] 14681번: 사분면 고르기 (JAVA)

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

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int a = Integer.parseInt(br.readLine());
		int b = Integer.parseInt(br.readLine());		
		
		if(a > 0) {
			if(b > 0) {
				System.out.println("1");
			} else {
				System.out.println("4");
			}
		} else {
			if(b > 0) {
				System.out.println("2");
			} else {
				System.out.println("3");
			}
		}
		
	}
}