#include <iostream>
using std::cout;
using std::endl;
using std::hex;
using std::oct;
using std::showbase;

int main()
{
   int x = 100;

   cout << "Printing integers preceded by their base:" << endl << showbase;

   cout << x << endl; // print decimal value
   cout << oct << x << endl; // print octal value
   cout << hex << x << endl; // print hexadecimal value
   return 0;
}
