B_11478

#include <iostream>
#include <set>

using namespace std;

int main(void)
{
    string S;
    set<string> answer;
    cin >> S;
    for (int i = 0; i < S.length(); ++i)
    {
        string temp = "";
        for (int j = i; j < S.length(); ++j)
        {
            temp += S[j];
            answer.insert(temp);
        }
    }

    cout << answer.size();
}