/*
#include<fstream>
using namespace std;

ifstream fin("farfurii.in");
ofstream fout("farfurii.out");

int main() {
	long long n, k, i, x = 0, aux = 0, ok = 0;
	fin >> n >> k;
	// cauta x min a. i. x*(x-1) >= k
	for(i = 1; i <= k + 5 && ok == 0; i++) {
		if(i * (i-1) /2 >= k) {
			x = i;
			aux = x * (x-1) / 2;
			ok = 1;
		}
	}
	for(i = 1; i <= n-x; i++) fout << i << " ";
	if(k != 0) fout << n - (aux - k) << " ";
	for(i = n; i > n-x; i--) {
		if(i != n-(aux-k)) {
			fout << i << " ";
		}
	}
	return 0;
}
*/