# B fLIP

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



for h in range(n+1):

    for w in range(m+1):

        black=m*h+n*w-2*h*w

        if black==k:

            print('Yes')

            exit()

print('No')
n,m,k = list(map(int,input().split()))

for i in range(0,n+1):

    for j in range(0,m+1):

        if n*j+m*i-2*i*j == k:

            print("Yes")

            exit(0)

print("No")





# B fLIP
n, m, k = list(map(int, input().split()))
for h in range(n + 1):
    for w in range(m + 1):
        black = m * h + n * w - 2 * h * w
        if black == k:
            print("Yes")
            exit()
print("No")

n, m, k = list(map(int, input().split()))
for i in range(0, n + 1):
    for j in range(0, m + 1):
        if n * j + m * i - 2 * i * j == k:
            print("Yes")
            exit(0)
print("No")

-# B fLIP -for h in range(n + 1): -    for w in range(m + 1): -        black = m * h + n * w - 2 * h * w -        if black == k: +for i in range(0, n + 1): +    for j in range(0, m + 1): +        if n * j + m * i - 2 * i * j == k: -            exit() +            exit(0)