#include<stdio.h>
int n,sol[20],k;
void afisare()
{
	for(int i=1;i<=k;++i)
	{
		printf("%ld ",sol[i]);
	}
}

void bkt(int p)
{
	if (p==k+1) 
	{
		afisare();
		printf("\n");
		return;
	}
	for(int i=1+sol[p-1];i<=n;++i)
	{
		sol[p]=i;
		bkt(p+1);
	}
}   
int main()
{
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);
	scanf("%ld%ld",&n,&k);
	bkt(1);
}