# include <stdio.h>

//
//  Program 6.7, Stephen Kochan, Programming in C.
//

int main ( void )
{
  char c;

  printf ( "Enter a single character to be classified: \n" );
  scanf ( "%c", &c );

  if ( ( 'a' <= c && c <= 'z' ) || ( 'A' <= c && c <= 'Z' ) )
  {
    printf ( "\"%c\" is an alphabetic character.\n", c );
  }
  else if ( '0' <= c && c <= '9' )
  {
    printf ( "\"%c\" is a digit.\n", c );
  }
  else
  {
    printf ( "\"%c\" is a special character.\n", c );
  }

  return 0;
}