# include <stdio.h>

//
//  Program 12.2, Stephen Kochan, Programming in C.
//
int main ( void );

int main ( void )
{
  unsigned int w1 = 0525u;
  unsigned int w2 = 0707u;
  unsigned int w3 = 0122u;

  printf ( "%o  %o  %o\n", w1 & w2, w1 | w2, w1 ^ w2 );
  printf ( "%o  %o  %o\n", ~w1, ~w2, ~w3 );
  printf ( "%o  %o  %o\n", w1 ^ w1, w1 &  ~w2, w1 | w2 | w3 );
  printf ( "%o  %o\n", w2 & w3, w1 | w2 & ~w3 );
  printf ( "%o  %o\n", ~ ( ~w1 & ~w2 ), ~ ( ~w1 | ~w2 )  );

  w1 = w1 ^ w2;
  w2 = w2 ^ w1;
  w1 = w1 ^ w2;

  printf ( "w1 = %o, w2 = %o\n", w1, w2 );

  return 0;
}