#include <stdio.h>
#define N 101
int n,k,sol[N];

void afis()
{
	for (int i=1;i<=k;++i)
		printf("%d ",sol[i]);
	printf("\n");
}

void bkt(int p)
{
	if (p==k+1)
	{
		afis();
		return;
	}
	for (int i=1+sol[p-1];i<=n-k+p;++i)
	{
		sol[p]=i;
		bkt(p+1);
	}
}

int main()
{
	freopen ("combinari.in","r",stdin);
	freopen ("combinari.out","w",stdout);
	scanf ("%d %d",&n,&k);
	bkt(1);
	return 0;
}