#include <iostream>   //for cout and <<
#include <cstdlib>
using namespace std;

void print(int n, int base = 10);   //only one print function

int main()
{
	int i = 255;

	print(i, 10);
	print(i, 8);
	print(i, 16);
	print(i);

	return EXIT_SUCCESS;
}

void print(int n, int base)
{
	if (base == 8) {
		cout << oct << n << "\n";
	} else if (base == 10) {
		cout << dec << n << "\n";
	} else if (base == 16) {
		cout << hex << n << "\n";
	} else {
		cerr << "base " << base << " must be 8, 10, or 16\n";
		exit(EXIT_FAILURE);
	}
}