#include<stdio.h>
int fact[6];
char cateFact1[5000001],cateFact2[5000001];
int getfact(int nr,int p){
    int P=p,rez=0;
    while(nr/P>0){
        rez+=nr/P;
        P*=p;
    }
    return rez;
}
int main(){
    FILE *fin,*fout;
    fin=fopen("pascal.in","r");
    fout=fopen("pascal.out","w");
    int r,d;
    fscanf(fin,"%d%d",&r,&d);
    int cont=0,nr=2,j,i;
    int sol=0,ok,x2=getfact(r,2),c,x3=getfact(r,3),x4=getfact(r,4),x5=getfact(r,5);
    for(i=1;i<=r;i++)
    {
        cateFact1[i]=cateFact1[i-1];
        cateFact2[i]=cateFact2[i-1];
        c=i;
        switch(d){
            case 2:
                while((c&1)==0){
                    cateFact1[i]++;
                    c=c>>1;
                }
                break;
            case 3:
                while(c%3==0){
                    cateFact1[i]++;
                    c=c/3;
                }
                break;
            case 4:
                while((c&1)==0){
                    cateFact1[i]++;
                    c=c>>1;
                }
                break;
            case 5:
                while(c%5==0){
                    cateFact1[i]++;
                    c=c/5;
                }
                break;
            case 6:
                while((c&1)==0){
                    cateFact1[i]++;
                    c=c>>1;
                }
                while(c%3==0){
                    cateFact2[i]++;
                    c=c>>1;
                }
                break;
        }
    }
    for(i=0;i<=r/2;i++){
        ok=1;
        if(d==2&&cateFact1[r]-cateFact1[r-i]-cateFact1[i]<1)
            ok=0;
        if(d==3&&cateFact1[r]-cateFact1[r-i]-cateFact1[i]<1)
            ok=0;
        if(d==4&&cateFact1[r]-cateFact1[r-i]-cateFact1[i]<2)
            ok=0;
        if(d==5&&cateFact1[r]-cateFact1[r-i]-cateFact1[i]<1)
            ok=0;
        if(d==6&&(cateFact1[r]-cateFact1[r-i]-cateFact1[i]<1||cateFact2[r]-cateFact2[r-i]-cateFact2[i]<1))
            ok=0;
        if(ok)
            sol++;
    }
    if(ok&&r%2==0)
        sol--;
    else
        ok=0;
    fprintf(fout,"%d",sol*2+ok);
    return 0;
}