#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 = 573; const int MAX_N = 1005; ll dp[MAX_N][MAX_N]; void init_comb (void ){ memset (dp, 0, sizeof (dp ) ); dp[0][0] = 1LL; for (int i = 1; i < MAX_N; i++ ){ for (int j = 0; j <= i; j++ ){ dp[i-j][j] = (dp[i-j][j] + (i-j-1 >= 0 ? dp[i-j-1][j] : 0LL ) ) % MOD; dp[i-j][j] = (dp[i-j][j] + ( j-1 >= 0 ? dp[i-j][j-1] : 0LL ) ) % MOD; } // end for } // end for } ll comb (int n, int r ){ return (n >= r ? dp[n-r][r] : 0LL ); } int main() { init_comb(); 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; ll curr = comb (n, k ); res = (res * curr ) % MOD; n -= k; } // end for cout << (res - 1LL + MOD ) % MOD << endl; return 0; }