open System

[<EntryPoint>]
let main argv = 


    let inputArray = stdin.ReadLine().Split(' ') |> Array.map int
    let a = inputArray.[0]
    let b = inputArray.[1]
    let c = inputArray.[2]

    let f x y z = 
        if z - x < 0 
        then "No"
        else 
            if z - x <= c
            then "Yes"
            else "No"

    f a b c |> printfn "%s"

    0 // return an integer exit code
