#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; ll dp[1005][1005]; ll comb (int n, int k ){ if (k < 0 || k > n ) return 0; if (n == 0 ) return 1; if (dp[n][k] > 0 ) return dp[n][k]; dp[n][k] = (comb(n-1,k-1) + comb(n-1,k) ) % MOD; return dp[n][k]; } int main() { ios_base::sync_with_stdio(0); string S = ""; cin >> S; map cnt; cnt.clear(); int n = S.length(); rep (i, n ){ cnt[S[i]]++; } // end rep ll res = 1LL; map::iterator it = cnt.begin(); for(; it != cnt.end(); it++ ){ char c = (*it).first; int k = (*it).second; res = (res*comb(n, k ) )%MOD; n -= k; } // end for cout << (res - 1LL + MOD ) % MOD << endl; return 0; }