#include <iostream>
#include <stdio.h>
using namespace std;

typedef struct A
{
    enum a{ red,blue,green}a;
    
}obj11;
obj11 obj1;
int main()
{
    //obj1.a=red;          // how to set variable ?
    cout<<"sizeof struct is n"<<sizeof(obj1);
    cout<<"obj1.a is"<<obj1.a;
    if (obj1.a == 0)   // here i want to use comparison with red  
        cout<<"Hi";
    else
        cout<<"bye";

    return 0;
}