백준 14681번 (사분면 고르기)

import java.util.*;
public class Main{
    public static void main(String[]args){
    	Scanner quadrant=new Scanner(System.in);
    	
    	double x=quadrant.nextDouble();
    	double y=quadrant.nextDouble();
    	
    	if(x>0) {
    		if(y>0) {
    			System.out.println("1");
    		}else {
    			System.out.println("4");
    		}
    	}else if(x<0) {
    		if(y<0) {
    			System.out.println("3");
    		}else {
    			System.out.println("2");
    		}
    	}
    	
    }
}