Do While_1.3

#include
# define area length*width
int main (void)
{
    int length, width;
    do{

        printf("length= ");
        scanf("%d", &length);        printf("width= ");
        scanf("%d", &width);
        printf("area= %d\n", area);

      }while(length!=0);
    system("pause");
    return 0;
}