#include
#include
int avg(int a,int b) {
return (a + b)/2;
}
int main() {
int i, j;
int answer;
/* comments are done like this */
i = 7;
j = 9;
answer = avg(i,j);
printf("The mean of %d and %d = %d\n", i, j, answer);
exit (0);
}