Write a preprocessor command that calculates the sum of 3 integers.

Difficulty level
This exercise is mostly suitable for students 
#include <stdio.h>
#define SUM(x, y, z) ((x)+(y)+(z))

int main()
{
     printf("Value = %d \n",SUM(1,2,3));
     printf("Value = %d \n",SUM(1+2*5 , 2-3, 4%6));

     return 0;
}
Back to the list of exercises
Looking for a more challenging exercise, try this one !!
Domain inclusion of heaps