#include
#include

const double PI = acos(-1);

int main()
{
double a;
double area1,area2;
while (scanf("%lf",&a)==1)
{
area1 = ( PI/3.0 - sqrt(3) + 1.0 )*a*a;
area2 = ( PI/3.0 + 2.0*sqrt(3) - 4.0 )*a*a;
printf("%.3lf %.3lf %.3lf\n",area1,area2,a*a-area1-area2);
}
return 0;
}