H, W, Q = map(int, input().split())
A = [H] * W
ans = H * W
for _ in range(Q):
    Y, X = map(int, input().split())
    ans -= A[X-1] - min(A[X - 1], Y - 1)
    A[X - 1] = min(A[X - 1], Y - 1)
    print(ans)