# include "stdio.h"
void main( )  
 {  union exam
   { int a;
     float b;
     char c;
     }x;
   x.a=3;
   x.c='a';
   x.b=4.5;
 printf("%d\t%5.2f\t%c\n",x.a,x.b,x.c);
 printf("%x\t%x\t%x\n",&x.a,&x.b,&x.c);
 }