#include<map>
#include<string>
#include<iostream>
#include<fstream>
#include<ostream>
#include<clocale>
using namespace std;
int main(int argc, char **argv){
	setlocale(LC_ALL, "Russian");
	map<string, string>dict;
	fstream fs(argv[1]);
	if (!fs.is_open()){
		cout << "Can not open file" << endl;
		return 1;
	}
	ofstream out("out.txt");
	int number = 0;
	cin >> number;
	while (!fs.eof()){
		char eng[256], rus[256];
		fs.getline(eng, 256, '$');
		fs.getline(rus, 256);
		string engword(eng), rusword(rus);
		if (engword.length()==number){
			out << engword << "$" << rusword;
			out << endl;
		}
	}
	fs.close();
	out.close();
	system("pause");
	return 0;
}