import java.io.BufferedReader
import java.io.InputStream
import java.io.InputStreamReader
import java.io.PrintWriter
import java.lang.StringBuilder
import java.util.*

fun PrintWriter.solve(sc: FastScanner) {
    val a = sc.nextLong()
    val b = sc.nextLong()
    val c = sc.nextLong()
    val d = sc.nextLong()
    val disc = (a - c) * (a - c) - 8 * (b - d)
    if (disc < 0) {
        println("No")
    } else if (disc == 0L) {
        println("Yes")
    } else {
        val x1 = (c - a - Math.sqrt(disc.toDouble())) / 4.0
        val x2 = (c - a + Math.sqrt(disc.toDouble())) / 4.0
        val y1 = x1 * x1 + a * x1 + b
        val y2 = x2 * x2 + a * x2 + b
        val p = (y2 - y1) / (x2 - x1)
        val q = y1 - p * x1
        println("$p $q")
    }
}

fun main(args: Array<String>) {
    val writer = PrintWriter(System.out, false)
    writer.solve(FastScanner(System.`in`))
    writer.flush()
}

class FastScanner(s: InputStream) {
    private var st = StringTokenizer("")
    private val br = BufferedReader(InputStreamReader(s))

    fun next(): String {
        while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine())

        return st.nextToken()
    }

    fun nextInt() = next().toInt()
    fun nextLong() = next().toLong()
    fun nextLine() = br.readLine()
    fun nextDouble() = next().toDouble()
    fun ready() = br.ready()
}