from sys import stdin
N,M,K = [int(x) for x in stdin.readline().rstrip().split()]
flag = False
for a in range(N+1):
    for b in range(M+1):
        if (N-a)*b + (M-b)*a == K:
            flag = True
if flag:
    print("Yes")
else:
    print("No")
1df4f272af7c73d34bb808f4750cac03425d3451
<mask token>

<mask token>
for a in range(N + 1):
    for b in range(M + 1):
        if (N - a) * b + (M - b) * a == K:
            flag = True
if flag:
    print('Yes')
else:
    print('No')

<mask token>
N, M, K = [int(x) for x in stdin.readline().rstrip().split()]
flag = False
for a in range(N + 1):
    for b in range(M + 1):
        if (N - a) * b + (M - b) * a == K:
            flag = True
if flag:
    print('Yes')
else:
    print('No')

from sys import stdin
N, M, K = [int(x) for x in stdin.readline().rstrip().split()]
flag = False
for a in range(N + 1):
    for b in range(M + 1):
        if (N - a) * b + (M - b) * a == K:
            flag = True
if flag:
    print('Yes')
else:
    print('No')

from sys import stdin
N,M,K = [int(x) for x in stdin.readline().rstrip().split()]
flag = False
for a in range(N+1):
    for b in range(M+1):
        if (N-a)*b + (M-b)*a == K:
            flag = True
if flag:
    print("Yes")
else:
    print("No")