#include<stdio.h>
#include<iostream.h>
#define RMAX 5000001

long r,aux,i,j,var,sol,d,fac1[RMAX],fac2[RMAX];

void putere_f(long &x, long d)
{
   while( i/d > 0 )
   {
     x += i/d;

     d *= d; }

}

int main()
{freopen("pascal.in","r",stdin);
 freopen("pascal.out","w",stdout);

 scanf("%ld %ld",&r,&d);   return 0;

 if(d==4)    for(i=1;i<=r;i++)  putere_f(fac1[i], 2);


 if(d==6)    for(i=1;i<=r;i++) { putere_f(fac1[i], 2);
				 putere_f(fac2[i], 3); }


 if(d!=6 && d!=4)

	     for(i=1;i<=r;i++) putere_f(fac1[i], d);


 for(i=0; i<=r; i++)
 {
   if(d==4)
   if( fac1[r] - fac1[r-i] - fac1[i] > 1 ) sol++;

   if(d==6)
   if(    (fac1[r] - fac1[r-i] - fac1[i] > 0)
       && (fac2[r] - fac2[r-i] - fac2[i] > 0)  ) sol++;

   if(d!=6 && d!=4)
   if( fac1[r] - fac1[r-i] - fac1[i] > 0 ) sol++;
 }


 printf("%ld\n",sol); return 0; }