#include <iostream>
#include <conio.h>

using namespace std;

void displayMessage(); //function declaration

int main() 
{
	cout << "Hello from main" << endl;
	displayMessage();
	cout << "Back in main function again" << endl;
    return 0;
}

//function definitation
void displayMessage() {
	cout << "Hello from displayMessage function" << endl;
}