this works

fraction = 500000
basebet  = balance/fraction
chance   = 49.5
nextbet  = basebet
google   = balance
com      = balance
now      = 0
nob      = 0
nib      = 0
go       = 0
bill     = 0
bob      = balance
target   = 15000
resetstats()
function dobet()
    none = math.random(2,3)
    if !win then
        now+=1
     bill+=1
     nob = 0
    else
        nob+=1
        now = 0
end
     if (math.fmod(bill,none)==0) and !win then
         bethigh = !bethigh
     end
     if (now>=1) then
        nextbet = previousbet*2
  end
    if (nob>=1) then
        nextbet = previousbet*3
    end
  if nextbet<basebet then
      nextbet = basebet
  end
  if (nextbet>=(balance-(basebet*2))) then
      basebet = balance/fraction
      nextbet = basebet
    end
  if (balance>=google) then
      basebet = balance/fraction
        nextbet = basebet
        nob     = 0
        now     = 0
        google  = balance
end
    if balance>target and win then
    tip(303973219,balance/2)
    google  = balance/2
    nextbet = basebet
    nob     = 0
    now     = 0
end
end