#include <iostream>
using namespace std;

int main() {
	float temp[31][24];
	int hotdays = 2;
	
	for (int day = 0; day < 31; day++)
	 if (temp[day][11] >= 20.0)
	 hotdays++;
	 cout << hotdays << "days was hot." << endl;
	return 0;
}