let p, q = 
    let t = stdin.ReadLine().Split() |> Array.map float
    t.[0], t.[1]
    
let p1 = (1.0 - p) * q;
let p2 = p * (1.0 - q) * q;

if p1 < p2 then "YES" else "NO" 
|> printfn "%s"