import java.util.ArrayList;
import java.util.Scanner;
import java.io.File;

public class Proj1401{
		public static ArrayList<Life> list = new ArrayList<Life>();
	public static void main(String[] args) throws Exception{
		File file = new File("Proj1.dat");
		Scanner scan = new Scanner(file);

		String cord = "";
		for(int i = 0; scan.hasNext(); i++){
		list.add(new Life(scan.nextInt(),scan.nextInt()));
		Scanner scan2 = new Scanner(cord);
		}


		for(int i = 0; i<list.size(); i++){
			System.out.println(list.get(i));
		}
		}

		public static Life up(Life temp){
			return new Life(temp.xcord,temp.ycord+1);
		}

		public static Life down(Life temp){
			return new Life(temp.xcord,temp.ycord-1);
		}

		public static Life left(Life temp){
			return new Life(temp.xcord-1,temp.ycord);
		}
		public static Life right(Life temp){
			return new Life(temp.xcord+1,temp.ycord);
		}

		public static Life upRight(Life temp){
			return new Life(temp.xcord+1,temp.ycord+1);
		}

		public static Life upLeft(Life temp){
			return new Life(temp.xcord-1,temp.ycord+1);
		}

		public static Life downLeft(Life temp){
			return new Life(temp.xcord-1,temp.ycord-1);
		}

		public static Life downRight(Life temp){
			return new Life(temp.xcord+1,temp.ycord-1);
		}
		public static boolean cellAlive(Life temp) {
			boolean flag = false;
			for(int i= 0; i<list.size(); i++){
				if(temp.xcord == (list.get(i)).xcord && temp.ycord == (list.get(i)).ycord)
					flag = true;
			}
			return flag;
		}
		public static int numOfCellsAlive(Life temp){
			int counter = 0;
			if(cellAlive(up(temp)))
				counter++;
			if(cellAlive(down(temp)))
				counter++;
			if(cellAlive(right(temp)))
				counter++;
			if(cellAlive(left(temp)))
				counter++;
			if(cellAlive(upRight(temp)))
				counter++;
			if(cellAlive(upLeft(temp)))
				counter++;
			if(cellAlive(downRight(temp)))
				counter++;
			if(cellAlive(downLeft(temp)))
				counter++;
			return counter;
		}


}