#include <fstream>
#include <vector>
using namespace std;
ifstream fin("farfurii.in");
ofstream fout("farfurii.out");
int n;
long long k;
vector<int> S;
void constr(int n, int k)
{
    int pcrt=1;
    while(pcrt<=n)
    {
        long long val=(n-pcrt)*(n-pcrt-1)/2;
        if(k<=val)
        {
            fout << *(S.begin());
            S.erase(S.begin());
        }
        else
        {
            fout << S[k-val];
            S.erase(S.begin()+(k-val));
            k-=k-val;
        }
        pcrt++;
    }
}
int main()
{
    fin >> n >> k;
    for(int i=1;i<=n;i++) S.push_back(i);
    constr(n,k);
    return 0;
}