백준 1085 직사각형에서 탈출 - Java

import java.util.Scanner;

public class Baekjoon1085 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int x = sc.nextInt();
		int y = sc.nextInt();
		int w = sc.nextInt();
		int h = sc.nextInt();

		System.out.println(Math.min(Math.min(w - x, x), Math.min(h - y, y)));
	}
}