#include <bits/stdc++.h>
using namespace std;
using i64 = int64_t;
using vi = vector<i64>;
using vvi = vector<vi>;

int main() {
    string s;
    cin >> s;
    i64 sum = 0;
    int cnt[10] = {};
    for (char c: s) {
        sum += c - '0';
        cnt[c - '0']++;
    }

    i64 ans = 1;
    if (sum % 9 == 0) {
        ans *= 9;
    } else if (sum % 3 == 0) {
        ans *= 3;
    }

    for (int i = 0; i < 10; i++) {
        if (cnt[i] == s.size()) {
            cout << s << endl;
            return 0;
        }
    }

    if (cnt[0] + cnt[5] == s.size()) {
        cout << 5 << endl;
        return 0;
    }

    int e = 0;
    for (int i = 0; i < 10; i += 2) {
        e += cnt[i];
    }
    if (e == s.size()) {
        if (cnt[0] + cnt[4] + cnt[8] == s.size()) {
            ans *= 4;
        } else {
            ans *= 2;
        }
    }

    cout << ans << endl;
}