#include<fstream>

using namespace std;

const char InFile[] = "combinari.in";
const char OutFile[] = "combinari.out";
const int MaxN = 19;

int N,K,x[MaxN];

ifstream fin( InFile );
ofstream fout( OutFile );

void back( int k )
{
	if( k )
		{
			x[k] = x[k-1];
			while( k <= K && x[k] < N )
				{
					x[k]++;
					if( k == K )
						{
							for(int i = 1 ; i <= K ; i++ )
								fout << x[i] << ' ';
							fout << '\n';
						}
						else
						back(k+1);
				}
		}
}

int main()
{
	fin >> N >> K;
	back(1);
	return 0;
}