// main.cpp
#include <iostream> 	// cin, cout
#include <conio.h>	// getch(), _kbhit()
#include <stdlib.h>	// rand()
using namespace std;

int printNumbers()
{
	int num = rand() % 16;
	cout  << (int)num << ", ";
	return num;
}

int main()
{
	for (int i=16; i; i--)
		printNumbers();
	
	cout << "press any key to quit program.";
	return getch(); 
}