import java.util.Random;

public class Tardis
{
    private int energy;

    public Tardis(int startEnergy)
    {
	   energy = startEnergy;
    }

    public int[] calculateCoordinates(int maxRow, int maxColumn)
    {
	   Random aGenerator = new Random();
	   int [] newCoordinates = new int[2];
	   // Randomly generate a new set of (row,column)
	   // values to move the tardis to. The randomly
	   // generated value will be from 0 - (maxRow/maxColumn)
	   // because those values dictate the size of the world
	   // containing the tardis.
	   newCoordinates[0] = aGenerator.nextInt(maxRow);
	   newCoordinates[1] = aGenerator.nextInt(maxColumn);

	   System.out.println("Tardis rematerializing at (r/c): " + 
			   newCoordinates[0] + "/" + newCoordinates[1]);
	   energy--;
	   return(newCoordinates);

    }
}