#include <cstdio>
#include <cmath>

int main (void)
{
 volatile float a, b, c, s, t;
 a = 1.0 / 5.0;
 b = 1.0 / 25.0;
 c = b;
 c += b;
 c += b;
 c += b;
 c += b;
 t = a - c;
 s = sqrt (t);
 printf ("%.12f %.12f %.12f\n%.12f %.12f\n", a, b, c, t, s);
 return 0;
}