#include using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) void solve() { ll n; cin >> n; vector a(n); rep(i, n) cin >> a[i]; sort(a.begin(), a.end()); ll x = 0; rep(i, n) x = (x * 10 + a[i]) % 998244353; cout << x << '\n'; } int main() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); int T = 1; for (int t = 0; t < T; t++) { solve(); } return 0; }