import java.io.PrintWriter
import java.util.*
import kotlin.math.*

fun isKadomatsu(a: Array<Int>): Boolean {
    return a.distinct().size == 3 && (a[1] == a.max()!! || a[1] == a.min()!!)
}

fun PrintWriter.solve() {
    val a = Array(3) { nextInt() }
    val b = Array(3) { nextInt() }
    for (i in 0 until 3) {
        for (j in 0 until 3) {
            val c = a.copyOf()
            val d = b.copyOf()
            c[i] = b[j]
            d[j] = a[i]
            if (isKadomatsu(c) && isKadomatsu(d)) {
                println("Yes")
                return
            }
        }
    }
    println("No")
}

fun main() {
    val writer = PrintWriter(System.out, false)
    writer.solve()
    writer.flush()
}

// region Scanner
private var st = StringTokenizer("")
private val br = System.`in`.bufferedReader()

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()
// endregion