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

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

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