#include <stdio.h>

const double PI = 3.141592653589793;

void main(void) {
  long long dividende = 22;
  long long diviseur = 7;
  double fraction = (double) dividende / diviseur;
  double delta = fabs(PI - fraction);
  printf("%8lld %8lld\n", dividende, diviseur);
  printf("%20.18lf %20.18lf\n", PI, fraction);
  printf("%20.18lf\n\n", delta);
  int v;
  double dInf;
  double dSup;
  do {
    diviseur++;
    v = (int) (diviseur * PI);
    double vInf = (double) v / diviseur;
    double vSup = (double) (v + 1) / diviseur;
    dInf = fabs(vInf - PI);
    dSup = vSup - PI;
  } while ((dInf >= delta) && (dSup >= delta) && (delta != 0));
  dividende = dInf < dSup ? v : v + 1;
  fraction = (double) dividende / diviseur;
  delta = fabs(PI - fraction);
  printf("%8lld %8lld\n", dividende, diviseur);
  printf("%20.18lf %20.18lf\n", PI, fraction);
  printf("%20.18lf\n", delta);
}