#include <iostream>
#include <iomanip>

using namespace std;

int main () {
  double d = 123.45;
  cout << showbase << oct;
  cout << uppercase << 77 << endl;
  cout << nouppercase << 77 << endl;

  cout << setbase( 16);
  cout << uppercase << 77 << endl;
  cout << nouppercase << 77 << endl;

  cout.setf(ios_base::dec, ios_base::basefield);
  cout << uppercase << 77 << endl;
  cout << nouppercase << 77 << endl;

  cout << scientific;
  cout << uppercase << d << endl;
  cout << nouppercase << d << endl;

  return 0;
}