#include<stdio.h> #include<math.h> #define PI acos(-1) int main() { long long int a,b,c; double R,r,s,d,e,f,g,h,i; while(scanf("%lld%lld%lld",&a,&b,&c)!=EOF) { s=(a+b+c)/2.0; r=sqrt(s*(s-a)*(s-b)*(s-c))/s; e=PI*r*r; f=sqrt(s*(s-a)*(s-b)*(s-c)); R=(a*b*c)/(4*f); g=PI*R*R; h=g-f; i=f-e; printf("%.4lf %.4lf %.4lf\n",h,i,e); } return 0; }