import java.util.Scanner

object Main {
  def main(args: Array[String]): Unit = {
    val sc = new Scanner(System.in)
    val N, M, K = Integer.parseInt(sc.next)

    for (i <- 0 to N) {
      for (j <- 0 to M) {
        if (i * M + j * N - 2 * i * j == K) {
          println("Yes")
          return
        }
      }
    }
    println("No")
  }
}