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  1. or download this
    print ($foo & 255) + 1, "\n";
    
  2. or download this
    1 + 1, "\n";    # Obviously not what you meant.
    
  3. or download this
    print(($foo & 255) + 1, "\n");
    
  4. or download this
    $ perl -MO=Deparse,-p -e 'print (4-1) + 2+3 * (2*2);'
    ((print(3) + 2) + 12);