#include<stdio.h>

/**
 * Terry Harvey CIS 105 Section 010 TA Tina Weymouth
 *  Demonstration program to show return values being used.
 **/

/* Returns the sum of the parameters */
int sum(int a, int b);

int main(){
    int i = 9;
    int a = 78;
    int result = sum(i, a);
    printf("sum is %d\n", sum(6, i));
    printf("sum is %d\n", sum(a, a));
    printf("sum is %d\n", sum(610, 217));

    printf("A numeric return value is just a number: %d\n", 5 - 6 * sum(6, 2));

    return 0;

}

/*
 * Returns the sum of the parameters.
 * Notice that this function DOES NOT print the sum. 
 */
int sum(int a, int b){
    int sum;
    sum = a + b;
    return sum;
}