#include #include #include using namespace std; const long long MOD = 998244353; long long digit_dp(const string& s) { vector ds; for (char c : s) ds.push_back(c - '0'); int nd = ds.size(); // dp[i][j][k][m] // i : i 桁目までみた // j : n 未満か(j=0 完全一致 j=1 より小さい) // k : leading zero // m : 各数字の頻度の偶奇(ビットで表現) vector>>> dp( nd + 1, vector>>( 2, vector>( 2, vector(1 << 10, 0) ) ) ); dp[0][0][1][0] = 1; for (int i = 0; i < nd; ++i) { for (int j = 0; j < 2; ++j) { int to = (j == 0) ? ds[i] : 9; for (int k = 0; k < 2; ++k) { for (int m = 0; m < (1 << 10); ++m) { long long cur = dp[i][j][k][m]; if (cur == 0) continue; for (int x = 0; x <= to; ++x) { int nj = j | (x < to); int nk = k & (x == 0); int nm = nk ? m : (m ^ (1 << x)); dp[i + 1][nj][nk][nm] += cur; if (dp[i + 1][nj][nk][nm] >= MOD) dp[i + 1][nj][nk][nm] -= MOD; } } } } } long long res = (dp[nd][0][0][0] + dp[nd][1][0][0]) % MOD; return res; } int main() { string N; cin >> N; cout << digit_dp(N) << endl; return 0; }