Colourful flowers

#include<stdio.h>
#include<math.h>
#define PI acos(-1)
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;
}