Puzzle P8

What does the following code write to the monitor?

#include <stdio.h>
int main( void )
{
  int  a = 44 ;
  int  b = 66 ;
  int *pa, *pb ;
  
  pa = &a ; 
  pb = &b ; 
  printf("*pa=%d *pb=%d\n", *pa, *pb );
  
  *pa = *pb ; 
  printf("a=%d b=%d\n", a, b );
 
  return 0;
}