#include<stdio.h>
#define N 101

int n,k,sol[N];

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

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

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