//Lukka
import java.util.*;
public class SnakeGame {
    public static char[][] gameBoard = new char[8][8];
    public static void printBoard(){
        int i,j;
        for(i=0;i<8;++i){
            for(j=0;j<8;++j){
                System.out.print(gameBoard[i][j]+" ");
            }
            System.out.print("\n");
        }
        System.out.print("\n");
    }
    public static boolean checkCollision(Snake snake1, Snake snake2){
        for(int i=0;i<snake1.getLength();++i){
            for(int j=0;j<snake2.getLength();++j){
                if(snake1.snakeBody.get(i).equals(snake2.snakeBody.get(j)))
                    return true;
            }
        }
        return false;
    }
    public static void updateBoard(Snake snake){
        gameBoard[snake.snakeBody.get(0).x][snake.snakeBody.get(0).y]='@';
        for(int i=1;i<snake.getLength();++i){
            gameBoard[snake.snakeBody.get(i).x][snake.snakeBody.get(i).y]='o';
        }
    }
    public static void clearBoard(){
        int i,j;
        for(i=0;i<8;++i){
            for(j=0;j<8;++j){
                gameBoard[i][j] = '.';
            }
        }
    }
    public static void main(String args[]){
        clearBoard();
        Snake snake1 = new Snake(new Point(2,2),new Point(2,1),new Point(2,0));
        Snake snake2 = new Snake(new Point(5,5),new Point(5,6),new Point(5,7));
        updateBoard(snake1);
        updateBoard(snake2);
        while(true){
            printBoard();
            try{
                Thread.sleep(3000);
            }
            catch (InterruptedException e){};
            if(!snake1.newMove()){
                System.out.println("0-1");
                break;
            };
            if(!snake2.newMove()){
                System.out.println("1-0");
                break;
            }
            if(checkCollision(snake1,snake2)){
                System.out.println("0-0");
                break;
            }
            clearBoard();
            updateBoard(snake1);
            updateBoard(snake2);
        }
    }
}
class Point{
    public int x,y;
    public Point(){
        this.x = 0;
        this.y = 0;
    }
    public Point(int x, int y){
        this.x = x;
        this.y = y;
    }
    public void makeEqual(Point a){
        this.x = a.x;
        this.y = a.y;
    }
}
class Snake{
    ArrayList<Point> snakeBody = new ArrayList<>(3);
    private int moveNumber = 0;
    public Snake(Point a, Point b, Point c){
        this.snakeBody.add(a);
        this.snakeBody.add(b);
        this.snakeBody.add(c);
    }
    public int getLength(){
        return this.snakeBody.size();
    }
    public boolean timeToIncrease(){
        return (this.moveNumber % 3 == 0)? true: false;
    }
    private boolean checkPointCollision(Point a){
        if(a.x<0 || a.x>7 || a.y<0 ||a.y>7)
            return true;
        for(int i=0;i<this.getLength();++i){
            if(a.equals(this.snakeBody.get(i)))
                return true;
        }
        return false;
    }
    public boolean newMove(){
        if(!timeToIncrease()) {
            (this.snakeBody.get(this.getLength())).makeEqual(new Point(-1,-1));
        }
        Point newHeadPosition = new Point();
        int spareDirections = 4;
        int[] Directions = new int[4];
        do {
            newHeadPosition.makeEqual(this.snakeBody.get(0));
            Random rnd = new Random();
            int moveNumber = rnd.nextInt(4);
            switch (moveNumber) {
                case 0:
                    newHeadPosition.x--;
                    break;
                case 1:
                    newHeadPosition.y--;
                    break;
                case 2:
                    newHeadPosition.x++;
                    break;
                case 3:
                    newHeadPosition.y++;
                    break;
            }
            if(Directions[moveNumber]==0){
                spareDirections--;
                Directions[moveNumber]=1;
            }
            if(spareDirections==0)
                return false;
        }while(this.checkPointCollision(newHeadPosition));
        if(timeToIncrease()){
           this.snakeBody.add(new Point(-1,-1));
        }
        for(int i=this.getLength()-1;i>0;--i){
            this.snakeBody.get(i).makeEqual(this.snakeBody.get(i-1));
        }
        (this.snakeBody.get(0)).makeEqual(newHeadPosition);
        return true;
    }
}