#include #include using namespace std; using i32 = int; using u32 = unsigned int; using i64 = long long; using u64 = unsigned long long; #define FAST_IO \ ios::sync_with_stdio(false); \ cin.tie(0); const i64 INF = 1001001001001001001; using Modint = atcoder::static_modint<998244353>; int main() { FAST_IO string N; cin >> N; int m = N.size(); int d = 10; vector dp(m + 1, vector(2, vector(1 << d, Modint(0)))); for (int i = 0; i < m; i++) { int c = N[i] - '0'; for (int x = 1; x < d; x++) { if (i == 0) { if (x < c) { dp[i + 1][1][1 << x]++; } else if (x == c) { dp[i + 1][0][1 << x]++; } } else { dp[i + 1][1][1 << c]++; } } for (int k = 0; k < (1 << d); k++) { for (int x = 0; x < c; x++) { dp[i + 1][1][k ^ (1 << x)] += dp[i][0][k]; } for (int x = 0; x < d; x++) { dp[i + 1][1][k ^ (1 << x)] += dp[i][1][k]; } dp[i + 1][0][k ^ (1 << c)] += dp[i][0][k]; } } Modint ans = dp[m][0][0] + dp[m][1][0]; cout << ans.val() << endl; }