#include #include using namespace std; using mint = atcoder::modint998244353; int main() { string s; cin >> s; int n = s.size(); string t = "404"; vector>> dp(n + 1, vector>(2, vector(4))); dp[0][0][0] = mint(1); for (int i = 0; i < n; i++) { for (int j = 0; j < 2; j++) { for (int k = 0; k < 4; k++) { for (int l = 0; l < 10; l++) { if (j == 0 && s[i] - '0' < l) { continue; } int ni = i + 1; int nj = j | (l < s[i] - '0'); int nk = k; if (k < 3) { if (l == t[k] - '0') { nk = k + 1; } else if (l == t[0] - '0') { nk = 1; } else { nk = 0; } } dp[ni][nj][nk] += dp[i][j][k]; } } } } mint ans = 0; for (int j = 0; j < 2; j++) { for (int k = 0; k < 3; k++) { ans += dp[n][j][k]; } } ans--; cout << ans.val() << endl; }