#include <stdlib.h>
#include <stdio.h>
typedef double R;
R rf(){return random()*0x1.p-31;}
int main(){int const b = 100000000;
if(0) for(int j=0; j<20; ++j) printf("%10.6f\n", rf());
R r=0, s=0, t=0;
for(int j = 0; j<b; ++j) {R x=rf(), y=rf(), z=rf();
  if(x*x+y*y+z*z<1) {++r; s += x; t += x*x;}}
R f = 8./b;
printf("%e %e %e\n", f*r, f*s, f*t);
return 0;}

// 4.189344e+00 1.571053e+00 8.379219e-01