#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
using mint = modint998244353;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  mint dp[9][5][34];
  dp[0][0][0] = 1;
  int n;
  cin >> n;
  VI a(n);
  vector<string> b(n);
  rep(i, n) cin >> a[i];
  rep(i, n) cin >> b[i];
  vector<int> ord(n);
  iota(ord.begin(), ord.end(), 0);
  ranges::sort(ord, {}, [&](int i) { return b[i].back() == 'X'; });
  mint ans;
  for (int i : ord) {
    int x = 0;
    for (char c : b[i]) if (c != 'X') x = 10 * x + (c - '0');
    if (x == 0 && b[i].back() == 'X') ans += dp[8][4 - a[i]][33];
    if (b[i].back() != 'X') {
      rrep(p, 8) rrep(q, 5 - a[i]) rrep(r, 34 - x) dp[p+1][q+a[i]][r+x] += dp[p][q][r];
    }
  }
  cout << ans.val() << '\n';
}