#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <map>

using namespace std;

int main (int argc, char *argv[]) {

	ifstream fin (argv[1]);
	ofstream fout;
	string nil, hex;
	double time, val;

	map <string, map <double, double> > values;
	//map <string, map <double, double> >::iterator iter;

	if(fin.is_open()) {
		while (!fin.eof()) {
			fin >> nil;
			fin >> nil;
			fin >> val;
			fin >> time;
			fin >> hex;

			values[hex][time] = val;
		}
		fin.close();
	} else {
		cout << "error opening file!" << endl;
		exit (1);
	}

	int size = values.size();
	cout << "size: " << size << endl;

	return 0;
}