# include <stdio.h>

//
//  Program 12.1, Stephen Kochan, Programming in C.
//
int main ( void );

int main ( void )
{
  unsigned int word1 = 077u;
  unsigned int word2 = 0150u;
  unsigned int word3 = 0210u;

  printf ( "%o  ", word1 & word2 );
  printf ( "%o  ", word1 & word1 );
  printf ( "%o  ", word1 & word2 & word3 );
  printf ( "%o\n", word1 & 1 );

  return 0;
}