#include #include #define rep(i,n) for(int i=0;i vi; typedef vector vl; typedef vector> vvi; typedef vector> vvl; typedef long double ld; typedef pair P; ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;} template ostream& operator<<(ostream& os, const static_modint& a) {os << a.val(); return os;} template ostream& operator<<(ostream& os, const dynamic_modint& a) {os << a.val(); return os;} template istream& operator>>(istream& is, vector& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;} template ostream& operator<<(ostream& os, const pair& p){os << p.first << ' ' << p.second; return os;} template ostream& operator<<(ostream& os, const vector& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;} template ostream& operator<<(ostream& os, const vector>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;} template void chmin(T& a, T b){a = min(a, b);} template void chmax(T& a, T b){a = max(a, b);} using mint = modint998244353; void solve(string s){ int n = s.size(); if(n % 2 == 1){ string t; rep(i, n - 1) t += '9'; solve(t); return; } vector equal(1 << 10); vector small(1 << 10); { int num = s[0] - '0'; for(int x = 1; x < num; x++) small[1 << x]++; equal[1 << num]++; } for(int i = 1; i < n; i++){ vector equal_old(1 << 10); vector small_old(1 << 10); swap(equal, equal_old); swap(small, small_old); int num = s[i] - '0'; rep(bit, 1 << 10){ for(int x = 0; x < num; x++) small[bit ^ (1 << x)] += equal_old[bit]; equal[bit ^ (1 << num)] += equal_old[bit]; for(int x = 0; x <= 9; x++) small[bit ^ (1 << x)] += small_old[bit]; } if(i % 2 == 0){ for(int x = 1; x <= 9; x++) small[(1 << x)]++; } } cout << (equal[0] + small[0]).val() << "\n"; } int main(){ string s; cin >> s; solve(s); return 0; }