//IncreaseList
using System;
using System.Collections;
using System.Collections.Generic;

public class test2
{
	public void IncreaseList(int start,ArrayList list , int n, int k)
	{
		
		if(list.Count==k)
		{ for(int i = 0 ; i< list.Count; i++)
			{
				Console.Write(list[i] + " ");
				
			}
			Console.WriteLine();
		}
		
		for(int i=start;i<=n; i++)
		{
			list.Add(i);
			IncreaseList( i+1,list,n,k );
			list.Remove(i);
		}
	
	}
}

public class Test
{
	public static void Main()
	{
		ArrayList list = new ArrayList();
		test2 t= new test2();
		t.IncreaseList(1,list,6,5);

	}
}