#include <stdlib.h>
#include <stdio.h>
#include <math.h>
typedef double R;
#define rc 10000000
R sq(R x){return x*x;}
R scale = 0x1.p-30;
R shine(R X, R Z){int n = rc; R lt = 0;
while(n--){u: {
  R x = scale*random()-1, y = scale*random()-1, z = 0.5*scale*random();
  if(sq(x*x+y*y+z*z) > z) goto u;
  R xn = (Z-1)*(x/z) + X, yn = (Z-1)*y/z;
  R r2 = xn*xn + yn*yn; lt += 1/((1+r2)*sqrt(1+r2));
  if(0) printf("r2=%e xn=%e\n", r2, xn);}}
  return lt/rc;}
int main(){
int j=7; while(j--) {R x=(j-1)/2., y = shine(x, 2);
   printf("%9.4f %9.4f %9.4f\n", x, y, 1/sq(y));}
return 0;}
/*
2.500000e+00 6.866293e-02 2.121072e+02
2.000000e+00 1.085296e-01 8.489913e+01
1.500000e+00 1.720450e-01 3.378436e+01
1.000000e+00 2.619808e-01 1.457006e+01
5.000000e-01 3.564462e-01 7.870676e+00
0.000000e+00 3.999277e-01 6.252261e+00
-5.000000e-01 3.565088e-01 7.867911e+00 */