let [|n; h|] = stdin.ReadLine().Split " " |> Array.map int64
let a = stdin.ReadLine().Split " " |> Array.map int64

if n = 1L then
    a.[0] % h
else
    a |> Array.reduce (fun x y -> (x * y) % h)
|> (fun x -> printfn "%s" (if x = 0L then "YES" else "NO"))