#include<iostream>
#include<fstream>
using namespace std;
int n,k,sol[20];
int main()
{
	int i,j;
	ifstream fin("combinari.in");
	ofstream fout("combinari.out");
	fin>>n>>k;
	for(i=1;i<=k;i++)
	{
		sol[i]=i;
	}
	int ok=1;
	while(ok)
	{
		for(i=1;i<=k;i++)
		{
		fout<<sol[i]<<" ";
		}
		fout<<endl;
		i=k;
		while(i>0&&sol[i]==n-k+i) i--;
		if(i==0) ok=0;
		else
		{
			sol[i]++;
			for(j=i+1;j<=k;j++)
			{
				sol[j]=sol[j-1]+1;
			}
		}
	}
	return 0;
}