UVa 10221 - Satellites

// UVa 10221 - Satellites

#include <iostream>
#include <string>
#include <stdio.h>
#include <math.h>
using namespace std;

int main() {
	double s, a;
	string unit;
	while (cin >> s >> a >> unit) {
		double radius = s + 6440;
		double degrees = (unit == "deg") ? a : a / 60;
		if (degrees > 180)
			degrees = 360 - degrees;
		double alpha = degrees / 180 * M_PI;
		double arc = alpha * radius;
		double chord = 2 * radius * sin(alpha / 2);
		printf("%.6f %.6f\n", arc, chord);
	}
	return 0;
}