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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("pascal.in");
ofstream out("pascal.out");
int fact(int n)
{
if(n>0)
{
return n*fact(n-1);
}
else return 1;
}
int main()
{
int r,d;
in>>r>>d;
int b[100];
int cont=0;
for(int i=1;i<r;i++)
{
int h=fact(r);
int c=fact(r-i)*fact(i);
b[i]=h/c;
if(b[i]%d==0) cont++;
}
out<<cont;
return 0;
}