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

fin = False

for n in range(N + 1):

  for m in range(M + 1):

    if n * (M - m) + m * (N - n) == K:

      print("Yes")

      fin = True

      break

  if fin: break

else: print("No")
import sys



def solve():

    input = sys.stdin.readline

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

    possible = False

    for i in range(N + 1):

        for j in range(M + 1):

            black = (N - i) * j + i * (M - j)

            if black == K:

                print("Yes")

                possible = True

                break

        if possible: break

    else: print("No")



    return 0



if __name__ == "__main__":

    solve()
N, M, K = list(map(int, input().split()))
fin = False
for n in range(N + 1):
    for m in range(M + 1):
        if n * (M - m) + m * (N - n) == K:
            print("Yes")
            fin = True
            break
    if fin:
        break
else:
    print("No")

import sys


def solve():
    input = sys.stdin.readline
    N, M, K = list(map(int, input().split()))
    possible = False
    for i in range(N + 1):
        for j in range(M + 1):
            black = (N - i) * j + i * (M - j)
            if black == K:
                print("Yes")
                possible = True
                break
        if possible:
            break
    else:
        print("No")
    return 0


if __name__ == "__main__":
    solve()

-N, M, K = list(map(int, input().split())) -fin = False -for n in range(N + 1): -    for m in range(M + 1): -        if n * (M - m) + m * (N - n) == K: -            print("Yes") -            fin = True +import sys + + +def solve(): +    input = sys.stdin.readline +    N, M, K = list(map(int, input().split())) +    possible = False +    for i in range(N + 1): +        for j in range(M + 1): +            black = (N - i) * j + i * (M - j) +            if black == K: +                print("Yes") +                possible = True +                break +        if possible: -    if fin: -        break -else: -    print("No") +    else: +        print("No") +    return 0 + + +if __name__ == "__main__": +    solve()