let readString() = stdin.ReadLine()
let readStringArray() = stdin.ReadLine().Split(' ');
let readInt() = readString() |> int
let readIntArray() = readStringArray() |> Array.map (fun x -> int x)
let char2String(value) = List.ofSeq value |> List.toArray |> System.String


let s = readStringArray();
if s.[0] > s.[1] then 
    ">" 
else if s.[0] = s.[1] then 
    "_"
else 
    "<"
|> printfn "%s"