#include <iostream>
#include <numeric>
#include <vector>
#include <map>

using lint = long long;

void solve() {
    int n, m, k;
    char op;
    std::cin >> n >> m >> k >> op;

    if (op == '+') {
        std::map<int, lint> cnt;
        while (m--) {
            int x;
            std::cin >> x;
            x %= k;

            if (!cnt.count(x)) cnt[x] = 0;
            ++cnt[x];
        }

        lint ans = 0;
        while (n--) {
            int x;
            std::cin >> x;
            x = (k - x % k) % k;
            if (cnt.count(x)) ans += cnt[x];
        }

        std::cout << ans << "\n";

    } else {
        std::map<lint, lint> acnt, bcnt;
        while (m--) {
            int x;
            std::cin >> x;
            x = std::gcd(x, k);

            if (!bcnt.count(x)) bcnt[x] = 0;
            ++bcnt[x];
        }

        while (n--) {
            int x;
            std::cin >> x;
            x = std::gcd(x, k);

            if (!acnt.count(x)) acnt[x] = 0;
            ++acnt[x];
        }

        lint ans = 0;
        for (auto [p1, c1] : acnt) {
            for (auto [p2, c2] : bcnt) {
                if (p1 * p2 % k == 0) ans += c1 * c2;
            }
        }

        std::cout << ans << "\n";
    }
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}