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


val () =
    let
        val p = readInt ()
        val nk_s = List.tabulate (p, fn _ => (readInt (), readInt()))

        fun printAns [] = ignore ()
          | printAns ((n, k)::tl) =
            (
              if (n - 1) mod (k + 1) = 0 then print "Lose\n"
              else print "Win\n";
              printAns tl
            )
    in
        printAns nk_s
    end