#include <iostream>
#include <iomanip>
#include <string>

#define D1 "0.9999999999999998"
#define D2 "0.9999999999999999"
#define D3 "1.0000000000000000"
#define D4 "1.0000000000000001"
#define D5 "1.0000000000000002"
#define D6 "1.0000000000000003"
#define D7 "1.0000000000000004"
#define D8 "1.0000000000000005"

using namespace std;

int main() {
  cout << setprecision(30);

  double d1=stod(D1);
  double d2=stod(D2);
  double d3=stod(D3);
  double d4=stod(D4);
  double d5=stod(D5);
  double d6=stod(D6);
  double d7=stod(D7);
  double d8=stod(D8);

  cout << "d1 = " << D1 << " = " << d1 << endl;
  cout << "d2 = " << D2 << " = " << d2 << endl;
  cout << "d3 = " << D3 << " = " << d3 << endl;
  cout << "d4 = " << D4 << " = " << d4 << endl;
  cout << "d5 = " << D5 << " = " << d5 << endl;
  cout << "d6 = " << D6 << " = " << d6 << endl;
  cout << "d7 = " << D7 << " = " << d7 << endl;
  cout << "d8 = " << D8 << " = " << d8 << endl;

  cout << endl;
  if (d4 == 1 ) { cout << "Για τον υπολογιστή  d4 ίσον  1  ?!!!\n";}
  if (d5 == d6) { cout << "Για τον υπολογιστή  d5 ίσον d6  ?!!!\n";}
  if (d7 == d8) { cout << "Για τον υπολογιστή  d7 ίσον d8  ?!!!\n";}
}
//==================================================================