#include <boost/spirit.hpp>
#include <iostream>

using namespace boost::spirit;
using namespace boost;
using namespace std;

struct record_grammar:public grammar<record_grammar>{

	template<class ScannerT>
	struct definition{
		rule<ScannerT> identifier;
		rule<ScannerT> string_literal;
		rule<ScannerT> prop_decl;
		rule<ScannerT> prop_list;
		rule<ScannerT> record_list;
		rule<ScannerT> record;

		definition(const record_grammar &self){
			identifier = lexeme_d[
				alpha_p >> *(alnum_p | ch_p('_') )
			];

			string_literal = lexeme_d[
				ch_p('"') >>
				*(
					(anychar_p - ch_p('"') )  |
					str_p("\\\"")
				) >>
				ch_p('"')
			];

			prop_decl = identifier >> ch_p('=') >>
				string_literal;

			prop_list = prop_decl >> *(ch_p(',') >> prop_decl);

			record_list = record >> *(ch_p(',') >> record);

			record = identifier >> identifier >> ch_p('{') >>
				!(
					(
						prop_list >> 
						!(ch_p(',') >> record_list)
					) | record_list
				) >>
				ch_p('}');
					
		};

		rule<ScannerT> const& start(){return record_list;}
	};
};


int main(){
	string input;
	string temp;
	while(getline(cin, temp)){
		input += temp;
	}
	record_grammar g;
	parse_info<> info = parse(input.c_str(), g, space_p);
	if(!info.full){
		cout << "Error found at location: " << info.stop << endl;
	}else{
		cout << "Success!" << endl;
	}
}