randomTorH = function()
    if rnd < 0.5 then return "T" else return "H"
end function

if rnd < 0.5 then
    playerSeq = input("Input your sequence (e.g. HTH): ").upper
    if playerSeq[1] == "T" then compSeq = "H" else compSeq = "T"
    compSeq = compSeq + playerSeq[:2]
    print "I choose: " + compSeq
else
    compSeq = randomTorH + randomTorH + randomTorH
    print "I choose: " + compSeq
    playerSeq = input("Input your sequence (e.g. HTH): ").upper
end if

print "Here we go..."
seq = ""
while true
    flip = randomTorH
    print flip
    seq = seq + flip
    if seq[-3:] == playerSeq then
        print "You win!"
        break
    else if seq[-3:] == compSeq then
        print "I win!"
        break
    end if
    wait
end while