Contribute correction: Program MSX No.6

  _  _     _____     ______   _    _   
 | \| ||  |  ___||  /_____// | || | || 
 |  ' ||  | ||__    `____ `  | || | || 
 | .  ||  | ||__    /___//   | \\_/ || 
 |_|\_||  |_____||  `__ `     \____//  
 `-` -`   `-----`   /_//       `---`   
                    `-`