When the player press any of the button, the variable, select, will be set to 1.
The LED lights will flash 5 times, and the mbot will ring different tone.
If the camp is equal to the number picked from the computer, mbot will play "Lightly Row"; otherwise, mbot will ring F6 for 8 beats, wait 0.2 second, and ring C4 for 0.5 beat.
Set the variable "select" to 1. (Start the main program.)
Set the variable "camp" to 1. (Player's choice.)
Set the variable "select" to 1.
Set the variable "camp" to 2.