fun main(args : Array<String>) {
    var (y,m,d)=readLine()!!.split(" ").map(String::toInt)

    val ans = when{
        y == 1989 && 1 <= m  && 8 <= d-> {
            "yes"
        }
        y == 2019 && m <= 4  && m <= 30 -> {
            "No"
        }
        (y in 1990..2018) -> "Yes"
        else -> "No"
    }

    println(ans)
}