#include <stdio.h>
#include <math.h>
#define PI 3.141592653589793

int main() {
    double a, b, c;
    double s, bigCirc, triang, smallCirc, rad;
    while(scanf("%lf %lf %lf", &a, &b, &c) != EOF){
        s = (a+b+c)/2.0;
        triang = sqrt( (s*(s-a)*(s-b)*(s-c)) );
        rad = (a*b*c)/(4*triang);
        bigCirc = (pow(rad, 2)*PI) - triang;
        smallCirc = pow( (triang/s),2)*PI;
        triang = triang-smallCirc;
        printf("%.4lf %.4lf %.4lf\n", bigCirc, triang, smallCirc);
    }
    return 0;
}