#include <stdio.h>

long int a[20];
long int n,k;

void back(long int nivel, long int mx)
{
	long int i;
	if (nivel==k+1)
	{
		for (i=1;i<nivel;i++) printf("%ld ",a[i]);
		printf("\n");
		return;
	}

	for (i=mx+1;i<=n;i++)
		{
		a[nivel]=i;
		back(nivel+1,i);
		}
}

int main()
{
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);

	scanf("%ld %ld",&n,&k);
	back(1,0);
	return 0;

}