#include <fstream>
#include <iostream>

int main()
{
	std::fstream names;
	names.open( "imiona.txt", std::ios::in | std::ios::out );

		int x;
		char bufor[ 15 ];
		while(!names.eof())
		{

			names.read( bufor, 15 );
			for(int i = 0; i < 15; i++)
			{
				if(bufor[i]==13)
					x++;
			}
		}
		names.close();
		std::cout << x;
	return 0;
}