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#include<iostream>
#include<fstream>
using namespace std;
long long fact(long long n)
{
if(n==0)
{
return 1;
}
else
{
return fact(n-1)*n;
}
}
int main()
{
long long d,j,nr=0,r;
fstream f("pascal.in",ios::in);
f>>r>>d;
f.close();
for(j=0;j<=r/2;j++)
{
if(fact(r)/(fact(r-j)*fact(j))%d==0)
{
nr++;
}
}
fstream g("pascal.out",ios::out);
g<<nr;
g.close();
}