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#include <fstream>
#include <vector>
using namespace std;
ifstream fin("dtcsu.in");
ofstream fout("dtcsu.out");
const int mod=9013;
vector<long long>H[mod];
vector<long long>::iterator it;
bool cauta(long long x)
{
int zum=x%mod;
for(it=H[zum].begin();it!=H[zum].end();it++)
{
if(*it==zum) return 1;
}
return 0;
}
int main()
{
int n,i,sol=0;
long long a;
for(i=1;i<=276997;i++)
{
fin>>a;
if(a&1) H[a%mod].push_back(a);
}
fin>>n;
for(i=1;i<=n;i++)
{
fin>>a;
while(!(a&1)) a>>=1;
sol+=cauta(a);
}
fout<<sol;
}