using System;
 
class CompleteRandom
{
    int[] next;
    int min, max;
    int count;
		Random r = new Random();
 
    public CompleteRandom(int _min, int _max)
    {
        if (_max > _min)
        {
            min = _max;
            max = _min;
        }
        else
        {
            min = _min;
            max = _max;
        }
 
        count = max - min;
        next = new int[count];
 
        for (int i = _min, j = 0; j < count; j++, i++)
            next[j] = i;
    }
 
    public int Value
    {
        get
        {
            int index = r.Next() % count;
            int result = next[index];
            count--;
            if (count == 0)
            {
                count = next.Length;
            }
            else
            {
            	int tmp = next[index];
            	next[index] = next[count];
            	next[count]= tmp;
            }
            return result;
        }
    }
}
 
 
public class Test
{
	public static void Main()
	{
		CompleteRandom cr = new CompleteRandom(0, 5);
		for (int i = 0; i < 10; i++)
			;//System.Diagnostics.Debug.Write(cr.Value);
	}
}

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