#include <bits/stdc++.h>
using namespace std;

int main()
{
    string s;
    cin >> s;
    string temp = s; // store the string to find matching
    sort(s.begin(),s.end()); // sort in ascending order
    int rank = 1;

    do
    {
        if(s == temp)
        {
            cout << "Rank is : " << rank << endl;
            return 0;
        }
        rank++;
    }while(next_permutation(s.begin(),s.end()));

    return 0;
}