#include <iostream>
#include <string>
using namespace std;

int main() {
	std::string s("[SectionName]");
	size_t first = s.find_first_of('[');
	size_t last = s.find_last_of(']');
	if (string::npos != first && string::npos != last)
	{
		std::cout << s.substr(first + 1, last - first - 1);
	}
	return 0;
}