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

using namespace std;
using ll = long long;
using vi = vector<int>;

#define in(v) v; cin >> v;
#define rep(i,n) for(int i=0;i<(n);++i)

int main() {
  int in(N); int in(M); ll in(K);

  char in(op);
  vi A(N), B(M);
  rep(i, M) cin >> B[i];
  rep(i, N) cin >> A[i];

  if (op == '+') {
    map<int, int> count;
    ll ans = 0;
    rep(i, M) ++count[B[i] % K];
    rep(i, N) ans += count[(K - (A[i] % K)) % K];
    cout << ans << endl;
  } else {
    map<int, int> count, count2;
    rep(i, M) ++count[gcd(B[i], K)];
    rep(i, N) ++count2[gcd(A[i], K)];

    ll ans = 0;
    for (const auto& [a, e] : count2) {
      ll tmp = 0;
      for (int j = 1; j * j <= a; ++j) {
        if (a % j == 0) {
          tmp += count[K / (a/j)];
          if (a != j * j)
            tmp += count[K / j];
        }
      }
      ans += tmp * e;
    }
    cout << ans << endl;
  }

  return 0;
}