#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#include <algorithm>
#include <bitset>
#include <climits>
#include <cmath>
#include <cstring>
#include <deque>
#include <forward_list>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

using namespace std;
typedef long long ll;
typedef pair<int, int> P;
typedef bitset<16> BS;
struct edge {
    int to, cost, id;
};
const ll MOD = 1E+09 + 7; // =998244353;
const ll INF = 1E18;
const int MAX_N = 1E+05;

ll dx[4] = { -1, 1, 0, 0 }, dy[4] = { 0, 0, -1, 1 };

int N, M;
ll K;

ll A[MAX_N + 1], B[MAX_N + 1];

ll gcd(ll a, ll b);

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

    cin >> N >> M >> K;
    char op;
    cin >> op;

    for (int i = 1; i <= M; i++) {
        cin >> B[i];
    }
    for (int i = 1; i <= N; i++) {
        cin >> A[i];
    }
    ll ans = 0;
    if (op == '+') {
        unordered_map<ll, ll> AM, BM;
        for (int i = 1; i <= N; i++) {
            AM[A[i] % K]++;
        }
        for (int j = 1; j <= M; j++) {
            BM[B[j] % K]++;
        }
        for (auto p : AM) {
            ans += BM[(K - p.first) % K] * p.second;
        }
    } else {
        unordered_map<ll, ll> AD, BD;
        for (int i = 1; i <= N; i++) {
            AD[gcd(A[i], K)]++;
        }
        for (int j = 1; j <= M; j++) {
            BD[gcd(B[j], K)]++;
        }
        for (auto pa : AD) {
            for (auto pb : BD) {
                ll da = pa.first, db = pb.first;
                if ((da * db) % K == 0) {
                    ans += pa.second * pb.second;
                }
            }
        }
    }

    /*
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < N; j++) {
            cout << "i = " << i << ", j = " << j << ", dp = " << dp[i][j] << "\n";
        }
    }
    */

    cout << ans << "\n";

    return 0;
}

ll gcd(ll a, ll b)
{
    if (b == 0)
        return a;

    return gcd(b, a % b);
}