open System

let x = 384
let y = 284

let xx = int64 x
let yy = int64 y

let rec gcd a b =
    match a with
    | _ when a > b -> gcd b a
    | 0 -> b
    | _ -> gcd (b%a) a
    
let z = gcd x y  
//z |> printfn "%d"

let rec gcdl (a:int64) (b:int64) :int64 =
    match a with
    | _ when a > b -> gcdl b a
    | 0L -> b
    | _ -> gcdl (b%a) a
    
let zz = gcdl xx yy 
//zz |> printfn "%d"

printfn "0"