It's a three players game, play with one hand.
At same time, each player show his hand with 0 to 5 fingers extended.
If all player show same kind of (even or odd) number, there is no winner. But else, the player showing different kind the two other win.
P l a y e r s A B C Winner Even Even Even No winner Odd Odd Odd No winner Even Odd Odd Player A Odd Even Even Player A Even Odd Even Player B Odd Even Odd Player B Odd Odd Even Player C Even Even Odd Player C
The requested tool could use arguments (3 arguments as numeric between 0 and 5) or STDIN (3 values by line, separated by spaces).
There is no need to check input: Irregular input could produce unexpected output.
Arguments or values on line is given from left to right, from player A to player C.
Output must only contain
C (capitalized) or the string
no one (in lower case, with a regular space).
Tool may work only once or as a filter on all input lines.
Shortest code win.