#define _CRT_SECURE_NO_WARNINGS
//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
#define all(c) (c).begin(), (c).end()
#define loop(i,a,b) for(ll i=a; i<ll(b); i++)
#define rep(i,b) loop(i,0,b)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
template<class T> ostream & operator<<(ostream & os, vector<T> const &);
template<int n, class...T> typename enable_if<(n>=sizeof...(T))>::type _ot(ostream &, tuple<T...> const &){}
template<int n, class...T> typename enable_if<(n< sizeof...(T))>::type _ot(ostream & os, tuple<T...> const & t){ os << (n==0?"":" ") << get<n>(t); _ot<n+1>(os, t); }
template<class...T> ostream & operator<<(ostream & os, tuple<T...> const & t){ _ot<0>(os, t); return os; }
template<class T, class U> ostream & operator<<(ostream & os, pair<T,U> const & p){ return os << "(" << p.first << ", " << p.second << ") "; }
template<class T> ostream & operator<<(ostream & os, vector<T> const & v){ rep(i,v.size()) os << v[i] << (i+1==(int)v.size()?"":" "); return os; }
#ifdef DEBUG
#define dump(...) (cerr<<#__VA_ARGS__<<" = "<<mt(__VA_ARGS__)<<" ["<<__LINE__<<"]"<<endl)
#else
#define dump(...)
#endif

ll const mod = 1<<29;

const int MAX_N = 10000; //400MB
// const int MAX_N = 1024; // 4MB
// nCr % mod
ll nCr(int n, int r){
    static bool done[MAX_N+1][MAX_N/2+2];
    static ll dp[MAX_N+1][MAX_N/2+2]; // 400MB
    if (n < 0 || r < 0 || n < r) return 0;
    if (r==0) return 1;
    if (r > n-r) r = n-r;
    ll &res = dp[n][r];
    if (done[n][r]) return res;
    done[n][r] = true;
    return res = (nCr(n-1,r-1)+nCr(n-1,r)) % mod;
}

int main(){
    string s;
    cin >> s;
    map<char,ll> m;
    for(char c:s) m[c]++;
    ll ans = 1;
    ll rem = s.size();
    for(auto & p : m){
        ans *= nCr(rem, p.second);
        ans %= mod;
        dump(p);
        rem -= p.second;
    }
    ans += mod-1;
    ans %= mod;
    cout << ans << endl;
}