#include <iostream>
#include <iomanip>
#include <cstdlib>
using namespace std;

int main()
{
	int i = 10;
	ios_base::fmtflags save = cout.flags();   //Save all the format flags.

	cout << i << "\n"     //Decimal by default: printf("%d", i)
		<< oct << i << "\n"                   //printf("%o", i);
		<< hex << i << "\n"                   //printf("%x", i);
		<< dec << i << "\n"                   //printf("%d", i);
		<< setbase(16) << i << "\n";          //printf("%x", i);

	cerr.copyfmt(cout);   //Copy the entire format of cout into cerr.
	cout.setf(save, ios_base::basefield);     //Restore the base.
	cout << i << "\n";                        //same base as line 11
	return EXIT_SUCCESS;
}