#include <bits/stdc++.h>
#define pi 2*acos(0)
using namespace std;
int main()
{
double s,a,b,c,tri_area,red_out,red_in;
double area_circum,area_inscribed,area_triangle;
while(scanf("%lf %lf %lf", &a, &b, &c)==3)
{
s=(a+b+c)/2;
tri_area=sqrt(s*(s-a)*(s-b)*(s-c));
red_out=((a*b*c)/(4*tri_area));
red_in=(tri_area/s);
area_circum=(pi*pow(red_out, 2))-tri_area;
area_inscribed=(pi*pow(red_in, 2));
tri_area=tri_area-area_inscribed;
printf("%.4lf %.4lf %.4lf\n", area_circum, tri_area, area_inscribed);
}
}
