#include <stdio.h>
int n,m,sol[20];
void afisare()
{
	for (int i=1; i<=m; i++)
		printf("%d ",sol[i]);
	printf("\n");
}
void back(int k)
{
	if (k==m+1)
	{
		afisare();
		return;
	}
	for (int i=1+sol[k-1]; i<=n; ++i)
	{
		sol[k]=i;
		back(k+1);
	}

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