// This program has three functions: main, deep, and deeper
#include<iostream>
using namespace std;

//*************************************
// Definition of function deeper      *
// This function displays a message.  *
//*************************************

void deeper()
{
	cout << "I am now inside the function deeper.\n";
}

//*************************************
// Definition of function deep        *
// This function displays a message.  *
//*************************************

void deep()
{
	cout << "I am now inside the function deep.\n";
	deeper();	// Call function deeper
	cout << "Now I am back in deep.\n";
}

//****************************************
// Function main                         *
//****************************************

int main()
{
	cout << "I am starting in function main.\n";
	deep();		// Call function deep
	cout << "Back in function main again.\n";
	return 0;
}