let numberOfSolution(a:float32, b:float32, c:float32): int=
    let delta = (b*b)-(float32(4)*(a*c))
    if delta < float32(0) then 0
    elif delta = float32(0) then 1
    else 2
let main() =
    seq { while true do yield stdin.ReadLine () }
    |> Seq.takeWhile ((<>) null)
    |> Seq.map (fun x -> x.Split(" "))
    |> Seq.iter (fun x -> System.Console.WriteLine(numberOfSolution(float32(x.[0]), float32(x.[1]), float32(x.[2]))))
main()