//KYU BAE
//assignment 8A-b
//purpose:
//This program provides the opportunity to:
// 1) Write several functions, some of which return 
//    a valve and others which do not.
// 2) Reinforce objectives of previous lab projects.
// 3) Modify lab 3 so that the function are now inline.

#include <iostream.h>

void main(void);
inline void FirstFunc(int);
inline int SecondFunc(int, int);
inline int ThirdFunc(void);


//input: none
//call three functions
//output: none

void main (void)
{
	int iNum1=5;
	int iNum2=13, iNum3;
	int iResult;
	int iValue1, iValue2;
	int iAnswer;
	iNum3= iNum1 * iNum2;
	cout <<"Multiply two numbers and print the result: "
		 << iNum3 << endl;
	 FirstFunc(iNum1);
	 FirstFunc(5);
	cout <<"Enter two integers and i will multiply them"
		 <<" and print the result :" << endl		 <<"(use space to separate two numbers)"<< endl;
	cin >> iValue1 >> iValue2;
	iAnswer=  SecondFunc(iValue1, iValue2);
	cout <<"the result is : " << iAnswer <<endl;
	
	iResult=  ThirdFunc();
	cout <<"The result is : " << iResult << endl;
}

//input: iApple1
//multiply it by 2
//output: none
inline void FirstFunc (int iApple1)
{
	
	int iApple2;
	iApple2= iApple1 * 2;
	cout << "the result is : " << iApple2 << endl;
}
//input:two integers
//multiply it by 2
//output: value3

inline int SecondFunc (int ivalue1, int ivalue2)
{
	
	int iValue3;
	cout <<"you entered : " << ivalue1 << " and "
		 << ivalue2 << endl;
	iValue3= ivalue1 * ivalue2;
	return iValue3;
}
//input: none
//multiply them
//output: the new value3	
inline int ThirdFunc (void)
{
	int iMath1, iMath2;
	cout <<"\nEnter two integers and i will multiply them "
		 <<"and Print the result :" <<endl;

	cin >> iMath1 >> iMath2;
	cout <<"You entered: " << iMath1 <<" and " << iMath2 << endl;
	return iMath1* iMath2;
}