public void updateNums()
	{
		for(int i = 0; i < fleet.size(); i++)
		{
			Ship ship = fleet.get(i);
			for(int x = ship.x; x < ship.x+ship.xSize; x++)
				for(int y = ship.y; y < ship.y+ship.ySize; y++)
					sea[x][y] = SHIP;
		}
	}