package Yukicoder

/**
 * Created by hichikawa on 2015/11/12.
 */
fun main(args: Array<String>) {
    fun readLineLongArray() : List<Long> {
        val str = readLine() as String
        val arrStr = str.split(" ")
        val ret = arrStr.map { it.toLong() }
        return ret
    }
    fun readLineLong() : Long {
        val str = readLine() as String
        return str.toLong()
    }
    fun readLineInt() : Int {
        val str = readLine() as String
        return str.toInt()
    }
    fun readLineDoubleArray() : List<Double> {
        val str = readLine() as String
        val arrStr = str.split(" ")
        val ret = arrStr.map { it.toDouble() }
        return ret
    }
    fun readLineStringArray() : List<String> {
        val str = readLine() as String
        val arrStr = str.split(" ")
        return arrStr
    }

    val inputArrDouble = readLineDoubleArray()
    val p1 = (1-inputArrDouble[0]) * inputArrDouble[1]
    val p2 = inputArrDouble[0] * (1-inputArrDouble[1]) * inputArrDouble[1]
    if (p1 < p2) {
        println("YES")
    } else {
        println("NO")
    }

}