import java.io.*;
import java.util.*;
 
public class RandomRange
{
  public RandomRange()
  {
    r = new Random();
  }

  public int nextInt()
  {
    int x = r.nextInt();
    if (x < 0)
      return -x;
    else
      return x;
  }

  public int range(Range r)
  {
    if (r.empty()) {
      System.out.print("AAAARGH!!! ");
      r.print();
      return r.begin();
    }
    int x = nextInt();
    return (  (x%(r.end()-r.begin()+1)) + r.begin() );
  }

  private Random r;
}