All you have to do is hand the computer a number that is divisible by 6 each time. If you start with 61 pick one and the computer has 60, say it picks 4 and yo

All you have to do is hand the computer a number that is divisible by 6 each time. If you start with 61 pick one and the computer has 60, say it picks 4 and you have 56 pick 2 so you hand it 54. Repeat until you win.