#include #include #include #include #include #include #include #include #include // require sort next_permutation count __gcd reverse etc. #include // require abs exit atof atoi #include // require scanf printf #include #include // require accumulate #include // require fabs #include #include #include #include // require setw #include // require stringstream #include // require memset #include // require tolower, toupper #include // require freopen #include // require srand #define rep(i,n) for(int i=0;i<(n);i++) #define ALL(A) A.begin(), A.end() #define each(i,c) for(auto i=(c).begin();i!=(c).end();++i) #define exist(s,e) ((s).find(e)!=(s).end()) #define clr(a) memset((a),0,sizeof(a)) #define nclr(a) memset((a),-1,sizoef(a)) #define sz(s) (int)((s).size()) #define INRANGE(x,s,e) ((s)<=(x) && (x)<(e)) #define pb push_back #define MP(x,y) make_pair((x),(y)) using namespace std; typedef long long ll; typedef pair P; const ll MOD = 573LL; const int MAX_P=1005; int fact[MAX_P], rfact[MAX_P]; ll extgcd (ll a, ll b, ll &x, ll &y ){ if (b == 0 ){x = 1LL; y = 0LL; return a; } ll g = extgcd (b, a%b, y, x ); y -= a/b*x; return g; } ll mod_inv (ll a, ll M ){ ll x, y; extgcd (a, M, x, y ); return (M+x%M)%M; } void init (void ){ fact[0] = rfact[0] = 1; for (int i = 1; i < MAX_P; i++ ){ fact[i] = ((ll)fact[i-1]*i)%MOD; rfact[i] = ((ll)rfact[i-1]*mod_inv((ll)i,(ll)MOD))%MOD; } // end for } int main() { ios_base::sync_with_stdio(0); init (); string S = ""; cin >> S; map cnt; cnt.clear(); rep (i, S.length() ){ cnt[S[i]]++; } // end rep ll res = (ll)(fact[S.length()]%MOD); map::iterator it = cnt.begin(); for(; it != cnt.end(); it++ ){ char c = (*it).first; int n = (*it).second; res = (res*(ll)rfact[n])%MOD; } // end for cout << (res - 1LL + MOD ) % MOD << endl; return 0; }