what is the output

what is the output of this C code 

	#include <stdio.h>
	union temp
	{
	int a;
	char c;
	};
	int main()
	{
	union temp t={66,'A'};// initialize the union members
	printf("%d\t%c\n",t.a,t.c);
	printf("%d\n",sizeof(t));
	return 0;
	}

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output:
66    B
4
Explanation:
union temp t={66,'A'};
this statement will initialize only the first member of the union x with 66 and the compiler will ignore the second value 'A', as one element is sufficient to initialize all union members as they share the same memory locations
sizeof(t) =4 size of largest element in memory location