#include<stdio.h>
//#define dmax 1<<8
int n,k,biti[256];
void afisare(int mask);
int main()
{
	long i;
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);
	scanf("%d %d",&n,&k);
	int l=1<<n;
	biti[1]=1;
	for(i=2;i<(1<<n);++i){
		biti[i]=biti[i>>1]+(i&1);
		if(biti[i]==k)
			afisare(i);
	}
	fcloseall();
	return 0;
}
void afisare(int mask)
{
	int af=1;
	while(mask){
		if(mask&1)
			printf("%d ",af);
		af++;
		mask>>=1;
	}
	printf("\n");
}