#include <fstream>
#include<iostream>
using namespace std;
long long n,i,k,j,p,q;
void Citire()
{
    ifstream fin("farfurii.in");
    fin>>n>>k;
    fin.close();
}
void Rezolvare()
{
    ofstream fout("farfurii.out");
    while(i*(i+1)/2 < k) i++;

    p= i*(i+1)/2-k;
    cout<<p;
    for(j=1;j<=n-i-1;j++) fout<<j<<" ";

    q=n-p;
    fout<<q<<" ";
    for(j=n;j>=n-i;j--)
        if(j!=n-p) fout<<j<<" ";
    fout<<"\n";
    fout.close();

}
int main()
{
    Citire();
    Rezolvare();
    return 0;
}