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       |o   o|            |o   o|
       |  o  |  Yahtzee!  |  o  |
       |o   o|            |o   o|
        -----              -----  
                               
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Play yahtzee!

yahtzee (roll all 5 dice)

yahtzee -k 1 2 3 (keep dice 1, 2, & 3)

yahtzee -r 1 2 3 (reroll 1, 2, & 3)

If you get a yahtzee, the dice reroll!
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Created by Cody Cahoon & Richard Donaldson