#include <iostream>
#include <fstream>
#include <string>

using namespace std;

int main() {

	// open file for input
	//ifstream fin("24md.txt");   1 way to do it
	string filename = "24md.txt";
	ifstream fin;
	fin.open(filename.c_str());

	int count = 0;
	string str;

	while (fin >> str)   {
		// if it's a town, count it!
		if (str == "town") {
			count++;
		}

	}

	// output answer
	cout << "number of towns: " << count << endl;

	return 0;
}