import java.util.*;

class test {
	
	

	public static void main(String[]args){
		ArrayList<Node> allNode = new ArrayList<Node>();
		Node east = new Node(+1,0);
		Node west = new Node(-1,0);
		Node north = new Node(0,+1);
		Node south = new Node(0,-1);
		Node current = new Node(0,0);
		current.setEast(east);
		current.setWest(west);
		current.setNorth(north);
		current.setSouth(south);
		east.setWest(current);
		west.setEast(current);
		north.setSouth(current);
		south.setNorth(current);
		allNode.add(east);
		allNode.add(west);
		allNode.add(north);
		allNode.add(south);
		allNode.add(current);
		
		Scanner scan = new Scanner(System.in);
		
		System.out.println("direction 1: east - 2:west - 3:north - 4:south");
		int input=Integer.parseInt(scan.nextLine());
		for(;;){
			switch(input){
				case 1: //east
					west = current;
					current=current.getEast();
					east = new Node(+1,0);		
					north = new Node(+1,+1);
					south = new Node(+1,-1);
					current.setEast(east);
					current.setWest(west);
					current.setNorth(north);
					current.setSouth(south);
					allNode.add(east);
					allNode.add(north);
					allNode.add(south);
					System.out.println(current.getCoords());
				break;
				case 2: //west
					east = current;
					current=current.getWest();
					west = new Node(+1,0);		
					north = new Node(+1,+1);
					south = new Node(+1,-1);
					allNode.add(west);
					allNode.add(north);
					allNode.add(south);
				break;
				case 3: //north
					north = current;
					current=current.getNorth();
					east = new Node(+1,0);		
					west = new Node(+1,+1);
					north = new Node(+1,-1);
					allNode.add(east);
					allNode.add(west);
					allNode.add(north);
				break;
				case 4: //south
					south = current;
					current=current.getSouth();
					east = new Node(+1,0);		
					west = new Node(+1,+1);
					south = new Node(+1,-1);
					allNode.add(east);
					allNode.add(west);
					allNode.add(south);
				break;
				
				default: System.exit(0);
			}//switch
		}//for
	}//main
}//class test