#include <stdio.h>

/* Example program provided by Dr. Christie Ezeife  */
/* The simple program finds the sum of any two given
           integer numbers using one function with only
           call-by-value parameters.                    */


/* I declare the function prototype here */
int FindSum(int, int);

int main(void)
{

	int Num1, Num2, Sum;

	printf("Type the two numbers to add: e.g. 45 20 \t:");
	scanf("%d  %d", &Num1, &Num2);

	/* Here, I should call the function FindSum to get the Sum */
	/* Note the function returns an int value and has actual  */
	/* parameters Num1 and Num2.				*/

	Sum = FindSum(Num1, Num2);

	printf("%d  + %d = %d \n", Num1, Num2, Sum);
         
        return 0;


}  /* end of Main  */

/* Now, I should define the function FindSum specifying its */
/* formal parameters, which are integers N1 and N2 	   */

int FindSum(int N1, int N2)
{
 	/* I can declare needed local variables here like sum */
	int sum;

	sum = N1 + N2;
	return (sum);
}   /*  end of function definition for FindSum */