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