#include <cstdio>

int main() {
	freopen("farfurii.in","rt",stdin);
	freopen("farfurii.out","wt",stdout);
	long long n,k;
	scanf("%lld %lld",&n,&k);
	long long m;
	for (m = 0; (m*(m+1))/2 < k; ++m);
	for (long long i = 1; i<m-1; ++i) printf("%d ",i);
	long long x;
	if ((m*(m+1))/2 == k) {
		x = -1;
	} else {
		x = n-((m*(m+1))/2 - k);
		printf("%lld ",x);
	}
	for (long long i = n; i>=m-1; --i)
		if (i != x) printf("%lld ",i);
	printf("\n");
}