#include <iostream>
using namespace std;
int main()
{
	int n;
	cin >> n;
	string name[n];
	int temper[n];
	bool cough[n];
	for (int i = 0; i < n; i++) cin >> name[i] >> temper[i] >> cough[i];
	int sum = 0;
	for (int i = 0; i < n; i++)
	{
		if (temper[i] >= 37.5 && cough[i] == true)
		{
			cout << name[i] << endl;
			sum++;
		}
	}
	cout << sum;
}