public class Snake
{
  protected int mouth;
  protected int tail;

  public Snake(int m, int t)
  {
    mouth = m;
    tail = t;
  }

  public int getMouth()
  {
    return mouth;
  }

  public int getTail()
  {
    return tail;
  }

  public String toString()
  {
    return "A snake from " + mouth + " to " + tail;
  }
}