#include<fstream>
#include<bitset>

using namespace std;

ofstream out("dtcsu.out");



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

bitset<1000006> bloom_filter [5];

class InParser {
private:
	FILE *fin;
	char *buff;
	int sp;

	char read_ch() {
		++sp;
		if (sp == 4096) {
			sp = 0;
			fread(buff, 1, 4096, fin);
		}
		return buff[sp];
	}

public:
	InParser(const char* nume) {
		fin = fopen(nume, "r");
		buff = new char[4096]();
		sp = 4095;
	}

	InParser& operator >> (int &n) {
		char c;
		while (!isdigit(c = read_ch()) && c != '-');
		int sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		}
		else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}

	InParser& operator >> (long long &n) {
		char c;
		n = 0;
		while (!isdigit(c = read_ch()) && c != '-');
		long long sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		}
		else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}
};

class OutParser {
private:
    FILE *fout;
    char *buff;
    int sp;
  
    void write_ch(char ch) {
        if (sp == 50000) {
            fwrite(buff, 1, 50000, fout);
            sp = 0;
            buff[sp++] = ch;
        } else {
            buff[sp++] = ch;
        }
    }
  
  
public:
    OutParser(const char* name) {
        fout = fopen(name, "w");
        buff = new char[50000]();
        sp = 0;
    }
    ~OutParser() {
        fwrite(buff, 1, sp, fout);
        fclose(fout);
    }
  
    OutParser& operator << (int vu32) {
        if (vu32 <= 9) {
            write_ch(vu32 + '0');
        } else {
            (*this) << (vu32 / 10);
            write_ch(vu32 % 10 + '0');
        }
        return *this;
    }
  
    OutParser& operator << (long long vu64) {
        if (vu64 <= 9) {
            write_ch(vu64 + '0');
        } else {
            (*this) << (vu64 / 10);
            write_ch(vu64 % 10 + '0');
        }
        return *this;
    }
  
    OutParser& operator << (char ch) {
        write_ch(ch);
        return *this;
    }
    OutParser& operator << (const char *ch) {
        while (*ch) {
            write_ch(*ch);
            ++ch;
        }
        return *this;
    }
};

int main()
{
	long long x;

	InParser in("dtcsu.in");

	for (int i = 1; i <= 276997; ++i)
	{
		in >> x;
		for (int j = 0; j < 3; ++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 < 3; ++j)
			if (bloom_filter[j][x%hash_keys[j]] == 0)
				break;
		if (j == 3)
		{
			if (x)
				x /= x&(-x);

			while (x % 15 == 0)
				x /= 15;
			while (x %= 35)
				x /= 35;
			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;
}