#include <fstream>
using namespace std;
#define dim 40400
int sol[dim];
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n, m;


void tiparire()
{
	for(int i=1;i<=m;++i)
		fout<<sol[i]<<" ";
	fout<<'\n';
}

void permutari(int k, int start)
{
	if(k==m+1)
		tiparire();
	else
	
		for(int val=start+1;val<=n;++val)
		{
				sol[k]=val;
				permutari(k+1,val);
		}
}

int main()
{
	fin>>n >>m;
	permutari(1,0);
	return 0;
}