#include <iostream>
#include <list>
#include <string>
#include<set>

std::set<std::string> sets;
void f(std::list<char>& ls,std::string str){
	if(ls.empty()==true){
		sets.insert(str);
	}else{
		char c=ls.front();
		ls.pop_front();
		f(ls,str+c);
		ls.push_front(c);

		c=ls.back();
		ls.pop_back();
		f(ls,str+c);
		ls.push_back(c);
	}
}

int main() {
	std::string str;
	std::cin>>str;
	std::list<char> ls;
	for(int i=0;i<str.size();i++){
		ls.push_back(str[i]);
	}
	f(ls,"");
	std::cout<<sets.size()<<"\n";
	return 0;
}