text: def chocolate(n, m, k):
      s = n * m
      if s / 2 == k or s == k or n + m == k or k == n or k == m:
          print("YES")
      elif k > s or s % 2 != 0:
          print("NO")
      else:
          print("NO")
  
  
  chocolate(int(input()), int(input()), int(input()))
  