#include <iostream>
#include <math.h>
 
double get_angle(int hour, int minute)
{
	if (hour >= 12)
		hour -= 12;
	double hour_angle = hour / 12. * 360;
	hour_angle += minute / 60. / 12 * 360;
	double minute_angle = minute / 60. * 360;
	double diff_angle = fabs(hour_angle - minute_angle);
	if (diff_angle > 180)
		diff_angle = 360 - diff_angle;
	return diff_angle;
}
 
int main() {
	std::cout << get_angle(10, 47);
	// your code goes here
	return 0;
}

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