#include<fstream>
#include<bitset>
using namespace std;

ifstream in("dtcsu.in");
ofstream out("dtcsu.out");



int hash_keys[5] = { 666013, 1000003, 826663, 797593, 959473 };

bitset<1000006> bloom_filter [5];

int main()
{
	unsigned long long x;

	for (int i = 1; i <= 276997; ++i)
	{
		in >> x;
		for (int j = 0; j < 5; ++j)
			bloom_filter[j][x%hash_keys[j]] = 1;
	}

	int Q,nr=0;

	in >> Q;

	for (int i = 1; i <= Q; ++i)
	{
		in >> x;
		int j;
		for (j = 0; j < 5; ++j)
			if (bloom_filter[j][x%hash_keys[j]] == 0)
				break;

		if(x)
			x /= x&(-x);

		while (x % 3 == 0)
			x /= 3;

		while (x % 5 == 0)
			x /= 5;

		while (x % 7 == 0)
			x /= 7;

		while (x % 11 == 0)
			x /= 11;

		nr += (x == 1);
	}

	out << nr;

	return 0;
}