#include<stdio.h>

/////////////////////////////////
struct   Big
{
    int length;
    int  width;
};


////////////////////////////////////////////
int main()
{
    Big a, b;

    a.length = 12;

    printf("        a.length = %d\n",   a.length);
    printf("address a.length = %d\n", & a.length);
    printf("address a. width = %d\n", & a. width);
}