open System

let swap str =
    str
    |> Seq.chunkBySize 2
    |> Seq.map Seq.rev
    |> Seq.concat
    |> Seq.map string
    |> String.concat ""

[<EntryPoint>]
let main args =
    let n = Console.ReadLine() |> int

    [ 1..n ]
    |> Seq.map (fun _ -> Console.ReadLine())
    |> Seq.map swap
    |> Seq.iter Console.WriteLine

    0