fun readInt () =
    valOf (TextIO.scanStream (Int.scan StringCvt.DEC) TextIO.stdIn)

fun gcd a b =
    if b = 0 then a
    else gcd b (a mod b)


val () =
    let
        val n = readInt ()
        val a_s = List.tabulate (n, fn _ => readInt ())

        val allGcd = List.foldl (fn (a, acc) =>
                                    gcd a acc)
                                (List.hd a_s)
                                a_s

        val ans = 100 div allGcd

    in
        print (Int.toString ans ^ "\n")
    end