#include <stdio.h>
int add (int x, int y)    //A
{
    int z;        //B
    z = x + y;
    return (z);    //C
}
main ()
{
    int i, j, k;
    i = 10;
    j = 20;
    k = add(i, j);        //D
    printf (“The value of k is%d\n”, k);    //E
}