백준 3009번 자바 : 네 번째 점

import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int[] a = new int[3];
		int[] b = new int[3];
		int p = 0;
		int q = 0;

		for(int i=0; i<3; i++) {
			int x = in.nextInt();
			int y = in.nextInt();
			a[i] = x;
			b[i] = y;
		}

		if(a[0] == a[1]) p = a[2];
		if(a[0] == a[2]) p = a[1];
		if(a[2] == a[1]) p = a[0];

		if(b[0] == b[1]) q = b[2];
		if(b[0] == b[2]) q = b[1];
		if(b[2] == b[1]) q = b[0];

		System.out.println(p + " " + q);

	}

}