#include<bits/stdc++.h>
#define dim 100000
using namespace std;
long long n,x,sol,q;
int poz=0;
char buff[dim+5];
void read(long long &nr)
{
    nr=0LL;
    while(buff[poz]<'0' || buff[poz]>'9')
    {
        poz++;
        if(poz==dim)
        {
            poz=0;
            fread(buff,1,dim,stdin);
        }
    }
    while(buff[poz]>='0' && buff[poz]<='9')
    {
        nr=nr*10LL+1LL*(buff[poz]-'0');
        poz++;
        if(poz==dim)
        {
            poz=0;
            fread(buff,1,dim,stdin);
        }
    }
}
int main()
{
    freopen("dtcsu.in","r",stdin);
    freopen("dtcsu.out","w",stdout);
    fread(buff,1,dim,stdin);
    for(int i=1;i<=276997;i++)
    {
        read(x);
    }
    read(q);
    for(int i=1;i<=q;i++)
    {
        read(x);
        while(x>1LL && !(x%2LL)) x>>=1LL;
        while(x>1LL && !(x%3LL)) x/=3LL;
        while(x>1LL && !(x%5LL)) x/=5LL;
        while(x>1LL && !(x%7LL)) x/=7LL;
        while(x>1LL && !(x%11LL)) x/=11LL;
        if(x==1LL) sol=sol+1LL;
    }
    printf("%lld\n",sol);
    return 0;
}