Predict output?

Question

#include<stdio.h>
void main()
{ int a=3,b=2;
a=a==b==0;
printf("%d,%d",a,b); }

Answer 1

a=a==b => a=false => a=0;
a=a==0 => a=true => a=1;
Output: 1,2

Answer 2

As == is right to left associative, the output will be: a = 0, b = 2.