#include "bits/stdc++.h"
using namespace std;
#define print(x) cout<<x<<endl;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define REP(i,a) for(int i=0;i<a;i++)
#define printall(n,array) for(int i=0;i<n;i++){cout<<array[i]<<" ";}cout<<endl;
#define U() cout<<endl;
typedef long long ll;
typedef pair<int, int> PI;
typedef pair<int, PI> V;
typedef vector<int> VE;
const ll mod = 1000000007; //10^9+7

string s;
ll cnt[27];

ll ncr[10010][10010];


int main(){
  cin>>s;
  REP(i,s.size())REP(j,26)if(s[i]-'A'==j)cnt[j]++;
  //print(s.size());///
  //printall(26,cnt);///
  REP(i,2001)REP(j,i+1)ncr[i][j]=(j==0||j==i)?1:(ncr[i-1][j-1]+ncr[i-1][j])%573;
  ll ret=1;
  ll rest=s.size();
  REP(i,26)if(cnt[i]){
    ret=ret*ncr[rest][cnt[i]]%573;
    rest-=cnt[i];
    //print(i<<" "<<ret<<" "<<rest)///
  }

  print((ret+573-1)%573);
}