#include <bits/stdc++.h>
using namespace std;

int main() {
  int N, P, Q, C = 0; cin >> N >> P >> Q;
  vector<int> A(N);
  vector B(4, vector<int>(N));

  auto pow = [&](long long x, long long n) {
    long long ret = 1;
    while (n) {
      if (n & 1) ret = ret * x % P;
      x = x * x % P;
      n = n >> 1;
    }
    return ret;
  };

  for (int i = 0; i < N; i++) {
    cin >> A.at(i);
    B.at(0).at(i) = pow(10, A.at(i));
    B.at(1).at(i) = pow(9, A.at(i));
    B.at(2).at(i) = pow(7, A.at(i));
    B.at(3).at(i) = pow(5, A.at(i));
  }

  for (int i = 0; i < N - 3; i++)
    for (int j = i + 1; j < N - 2; j++)
      for (int k = j + 1; k < N - 1; k++)
        for (int l = k + 1; l < N; l++)
          if ((B.at(0).at(i) + B.at(1).at(j) + B.at(2).at(k) + B.at(3).at(l)) % P == Q) C++;

  cout << C << endl;
}