#include <iostream>
#include <fstream>
using namespace std;
int valori[80000];
int main()
{
    ifstream in("1-sir.in");
    ofstream out("1-sir.out");
    int s,i,j,n,maxim,total=0,suma;
    bool a=true;
    in>>n;
    in>>s;
    s+=40000;
    int d=1;
    valori[40000+(n*(n-1))/2]=1;
    maxim=40000+(n*(n-1))/2;
    for (i=n;i>1;i--)
    {
        for (j=s;j<=maxim;j++)
        {
                valori[j-2*(n-i+1)]+=valori[j];
        }
    }
    out<<valori[s]%194767;
}