Your task is to facilitate a Rock, paper scissors knockout tournament.

A total of 64 contestants have each entered a file containing their name and
pre-selected sequence of RPS choices.

In the first round, contestants 1 and 2 will play the first game, the loser
will be eliminated and the winner will go through to the next round.
Similarly, contestants 3 and 4 will compete, as will 5 and 6, 7 and 8 etc.

In the second round, the winner of the match between contestants 1 and 2 will
compete against the winner of contestants 3 and 4, with the winner going
through to the next round.

The secret token will be the names of the two contestants from the final round
concatented together, winner's name first.