// Combinari.cpp : Defines the entry point for the console application.
//

//#include "stdafx.h"
#include "stdio.h"

FILE *f=fopen("combinari.in", "r");
FILE *g=fopen("combinari.out", "w");

int n, k;
int v[20];

void comb(int i)
{
	if (i>k)
	{
		for (int j=1; j<=k; ++j)
			fprintf(g, "%d ", v[j]);
		fprintf(g, "\n");
		return ;
	}

	for (int l=v[i-1]+1; l<=n; l++)
	{
		v[i]=l;
		comb(i+1);
	}
}


int main()
{
	fscanf(f, "%d%d", &n, &k);
	comb(1);
	return 0;
}