#include<stdio.h>
int n,k,v[20];
void afisare()
{
	for(int i=1;i<=k;i++)
		printf("%d ",v[i]);
	printf("\n");
}
void back(int s)
{
	if(s>k)
	{
		afisare();
		return;
	}
	v[s]=v[s-1]+1;
	while(v[s]<=n)
	{
		back(s+1);
		v[s]++;
	}
}
int main()
{
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);
	scanf("%d%d",&n,&k);
	back(1);
	return 0;
}