1219.cpp

#define _USE_MATH_DEFINES
#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;

int main() {
    double a, b, c;
    while(cin >> a >> b >> c) {
        double p = (a + b + c) / 2;
        double triangle_area = sqrt((p*(p-a)*(p-b)*(p-c)));

        double circle_r = (a * b * c) / (4 * triangle_area);
        double circle_area = M_PI * (pow(circle_r, 2));

        double second_circle_r = triangle_area / p;
        double second_circle_area = M_PI * (pow(second_circle_r, 2));

        cout << fixed << setprecision(4);
        cout << circle_area - triangle_area << " " << triangle_area - second_circle_area << " " << second_circle_area << endl;
    }
    return 0;
}