#include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)< pii; typedef vector vi; typedef vector vll; template class ModInt{ public: ModInt():value(0){} ModInt(long long val):value((int)(val<0?MOD+val%MOD:val%MOD)){ } ModInt& operator+=(ModInt that){ value = value+that.value; if(value>=MOD)value-=MOD; return *this; } ModInt& operator-=(ModInt that){ value -= that.value; if(value<0)value+=MOD; return *this; } ModInt& operator*=(ModInt that){ value = (int)((long long)value * that.value % MOD); return *this; } ModInt &operator/=(ModInt that){ return *this *= that.inverse(); } ModInt operator+(ModInt that) const{ return ModInt(*this)+=that; } ModInt operator-(ModInt that) const{ return ModInt(*this)-=that; } ModInt operator*(ModInt that) const{ return ModInt(*this)*=that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt pow(long long k) const{ if(value == 0)return 0; ModInt n = *this, res = 1; while(k){ if(k & 1)res *= n; n *= n; k >>= 1; } return res; } ModInt inverse() const { long long a = value, b = MOD, u = 1, v = 0; while(b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } int toi() const{ return value; } private: int value; }; typedef ModInt<573> mint; ostream& operator<<(ostream& os, const mint& x){ os << x.toi(); return os; } string nstr(){ static const int MAX_LEN = 1001; static char res_[MAX_LEN]; scanf("%s",res_); return string(res_); } int main(){ string S = nstr(); int N = sz(S); vi cnt(26); each(c, S)cnt[c - 'A']++; vi q(N + 1); q[N] = 1; each(x, cnt)q[x]--; for(int i=N-1;i>=2;--i)q[i]+=q[i + 1]; for(int i = N; i >= 4; --i){ for(int j = 2; j*j <= i; ++j){ if(i%j==0){ q[j] += q[i]; q[i / j] += q[i]; q[i] = 0; break; } } } mint ans = 1; FOR(i, 2, N + 1)if(q[i])ans *= mint(i).pow(q[i]); ans -= 1; cout << ans << endl; }