import sys

n,m,k=list(map(int,input().split()))

for i in range(n+1):

  for j in range(m+1):

    if (i*j)+(n-i)*(m-j)==k:

      print('Yes')

      sys.exit()

print('No')

import sys

n,m,k=list(map(int,input().split()))

for i in range(n+1):

  for j in range(m+1):

    if i*j+(n-i)*(m-j)==k:

      print('Yes')

      sys.exit()

print('No')

import sys

n, m, k = list(map(int, input().split()))
for i in range(n + 1):
    for j in range(m + 1):
        if (i * j) + (n - i) * (m - j) == k:
            print("Yes")
            sys.exit()
print("No")

import sys

n, m, k = list(map(int, input().split()))
for i in range(n + 1):
    for j in range(m + 1):
        if i * j + (n - i) * (m - j) == k:
            print("Yes")
            sys.exit()
print("No")

-        if (i * j) + (n - i) * (m - j) == k: +        if i * j + (n - i) * (m - j) == k: