import java.util.Scanner

object Main {
  def main(args: Array[String]) {
    val result = solve(new Scanner(System.in))
    if (result.length > 0) println(result)
  }

  def solve(in: String): String = solve(new Scanner(in))

  def solve(sc: Scanner): String = {
    val N = sc.nextInt
    val M = sc.nextInt
    val X = sc.nextInt
    val Y = sc.nextInt
    val x = Array.fill(N)(sc.nextInt)
    val y = Array.fill(M)(sc.nextInt)

    if ((x :+ X).max < (y :+ Y).min) "No War" else "War"
  }
}
