#include #include #include using namespace std; const long long inf = (1LL << 61) - 1; const int mod = 998244353; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string n; cin >> n; vector>> dp(2, vector>(2, vector(1024, 0))); dp[0][0][0] = 1; for (int i = 0; i < n.size(); ++i) { vector>> e(2, vector>(2, vector(1024, 0))); for (int lessflag = 0; lessflag < 2; ++lessflag) { for (int zeroflag = 0; zeroflag < 2; ++zeroflag) { for (int bit = 0; bit < 1024; ++bit) { for (int x = 0; x < 10; ++x) { if (lessflag == 0 && x > n[i] - '0') continue; int tlessflag = lessflag | (x < n[i] - '0'); int tzeroflag = zeroflag | (x > 0); if (tzeroflag == 0) { e[tlessflag][tzeroflag][bit] += dp[lessflag][zeroflag][bit]; e[tlessflag][tzeroflag][bit] %= mod; } else { e[tlessflag][tzeroflag][bit ^ (1 << x)] += dp[lessflag][zeroflag][bit]; e[tlessflag][tzeroflag][bit ^ (1 << x)] %= mod; } } } } } dp = e; } int c = 0; for (char v : n) { c ^= 1 << (v - '0'); } if (c == 0) { dp[1][1][0] += 1; } cout << dp[1][1][0] % mod << "\n"; return 0; }