#include <bits/stdc++.h>
#define ll long long

using namespace std;

ll mul(ll a, ll b, ll MOD = 1e9 + 7) {
     return ((a % MOD) * (b % MOD)) % MOD;
     }

ll add(ll a, ll b, ll MOD = 1e9 + 7) {
     return ((a % MOD) + (b % MOD)) % MOD;
     }

ll sub(ll a, ll b, ll MOD = 1e9 + 7) {
     return (((a - b) % MOD) + MOD) % MOD;
     }


ll fact(ll n)
{
    if(n == 0)
        return 1;
    ll res = 1;
    for (ll i = 2; i <= n; i++)
        res = mul(res, i);
    return res;
}

ll MOD = 1e9+7;

int main() {
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
    string s;
    cin >> s;
    ll a[125]={};
    for (ll i=0; i<s.size(); i++) {
        a[s[i]]++;
    }
    ll ans;
    ans=fact(s.size())%MOD;
    for (ll i=97; i<125; i++) {
        if (a[i]) ans/=fact(a[i]);
    }
    cout << ans%MOD;
    return 0;
}