#include<iostream>

using namespace std;

//to modularize your program
//documentation - assumes good function names
//reuse 

void dislayPrimeFactors(int n)
{
}

int fun()
{
	return 7;
}

int greatestCommonDivisor(int x, int y)
{
	int result = x;
	while (x%result != 0 || y%result !=0)
	{
		result--;
	}
	return result;
}

int leastCommonMultiple(int x, int y)
{
	int result = 2;
	while (result%x != 0 || result%y != 0)	
	{
		result++;
	}

	x = 0; 
	y = 0;

	return result;
}


void main()
{
	int i = fun() + 6;
	cout << i << endl;

	cout << fun() << endl;

	fun(); //useless
	7;

	cout << greatestCommonDivisor(34,234) << endl;
	cout << greatestCommonDivisor(22,220) << endl;
	cout << greatestCommonDivisor(77, 33) << endl;

	cout << leastCommonMultiple(34, 234) << endl;
	cout << leastCommonMultiple(5, 25) << endl;
	cout << leastCommonMultiple(77, 33) << endl;
	int x = 8;
	int y = 16;
	cout << leastCommonMultiple(x, y) << endl;
	cout << x << endl;
	cout << y << endl;

}