#include <fstream>
#include <cmath>
using namespace std;
ifstream f("1-sir.in");
ofstream g("1-sir.out");
int i,j,d[257][32641],MOD=194767,n,s,sum;
int main()
{
    f>>n>>s;
    sum=n*(n-1)/2;
    if (sum<max(s,-s)) g<<-1;
    else
    {
       d[1][0]=1;
       for (i=2;i<=n;i++)
       {
         for (j=0;j<=i*(i-1)/2;j++)
            d[i][j]=d[i-1][j+i-1]+d[i-1][max(j-(i-1),i-1-j)],d[i][j]%=MOD;
       }
       g<<d[n][max(s,-s)]<<'\n';
    }
    return 0;
}