let hoge p q =
    let p1 = (1.0 - p) * q;
    let p2 = p * (1.0 - q) * q;    
    if p1 < p2 then "YES" else "NO"    

[<EntryPointAttribute>]
let main _ =
    let p, q = 
        let t = stdin.ReadLine().Split() |> Array.map float
        t.[0], t.[1]
    hoge p q |> printfn "%s"     
    0