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

let x = stdin.ReadLine().Split " "

let op = x.[0]
let b = x.[1..] |> Array.map int64
let a =
    [|
        for _ in 0..(n-1L |> int) ->
            stdin.ReadLine () |> int64
    |]
    
if op = "+" then
    let f a = Array.reduce (fun x y -> (x + y) % k) >> (fun x -> (x * a) % k)
    ((a |> f m) + (b |> f n)) % k
else
    let f = Array.reduce (fun x y -> (x + y) % k)
    ((a |> f) * (b |> f)) % (int64 k)
|> printfn "%d"