fun main(args: Array<String>) {
    codefestival2017quala_b()
}

fun codefestival2017quala_b() {
    val (H, W, k) = readLine()!!.split(" ").map { it.toInt() }

    for (h in 0..H) {
        for (w in 0..W) {
            val blackCell = H * w + W * h - (w * h) * 2
            if (blackCell == k) return println("Yes")
        }
    }

    println("No")
}
