N, M, K = list(map(int, input().split()))



for k in range(N+1):

    for l in range(M+1):

        if l*(N-k)+k*(M-l)==K:

            print("Yes")

            exit(0)

print("No")
N, M, K = list(map(int,input().split()))



for k in range(N+1):

    for l in range(M+1):

        if k*l + (M-l)*(N-k) == K:

            print("Yes")

            exit(0)

print("No")

N, M, K = list(map(int, input().split()))
for k in range(N + 1):
    for l in range(M + 1):
        if l * (N - k) + k * (M - l) == K:
            print("Yes")
            exit(0)
print("No")

N, M, K = list(map(int, input().split()))
for k in range(N + 1):
    for l in range(M + 1):
        if k * l + (M - l) * (N - k) == K:
            print("Yes")
            exit(0)
print("No")

-        if l * (N - k) + k * (M - l) == K: +        if k * l + (M - l) * (N - k) == K: