import Foundation

func main() {
    let abc = readLine()!.split(separator: " ").map { Int($0)! }
    let K = Int(readLine()!)!
    let A = abc[0]
    let B = abc[1]
    let C = abc[2]
    
    for i in 0...K {
        for j in 0...K {
            for k in 0...K {
                if A<<i < B<<j && B<<j < C<<k && (i+j+k)<=K {
                    print("Yes")
                    return
                }
            }
        }
    }
    print("No")
}

main()
