public class Retval
{
  private int start;
  private int end;
  private int sum;

  public Retval()
  {
    this.start =-1;
    this.end = -1;
    this.sum = 0;
  }

  public int getStart()
  {
    return this.start;
  }

  public int getEnd()
  {
    return this.end;
  }
  
  public int getSum()
  {
    return this.sum;
  }

  public void setStart(int s)
  {
    this.start = s;
  }
  
  public void setEnd(int e)
  {
    this.end = e;
  }

  public void setSum(int s)
  {
    this.sum = s;
  }

  public String toString()
  {
    return "Max sum is " + this.sum + ". It starts at " + this.start + " and ends at " + this.end;
  }
}