import java.util.*;

fun main(){
  val sc = Scanner(System.`in`)
  val n = Integer.parseInt(sc.next())
  val m = Integer.parseInt(sc.next())
  val k = Integer.parseInt(sc.next())
  var num = 0
  for (i in 0..n){
    for (j in 0..m){
      num = i*m+j*n-2*i*j;
      if(num==k){
        println("Yes")
        return
      }
    }
  }
  println("No")
  
}