#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
 
int main() {
	string a;
	vector <string> c;
	vector<string> :: iterator it;// задаем итератор
	cin>>a;
	for(int i=0;i<a.size();i++)
	{
		for(int j=1;j<a.size();j++)
		{
			c.push_back(a.substr(i,j));
		}
	}
 	sort(c.begin(), c.end()); // сортируем вектор для функции unique
    it = unique(c.begin(), c.end()); // задаем итератору значение функции unigue
    c.resize(it - c.begin());// производим resize вектора при помощи итератора
	cout<<c.size()+1;
	return 0;
}

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QUJBQkFCQUJD

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