from collections import defaultdict

H, W, Q = map(int, input().split())
A = defaultdict(lambda: float('inf'))
ans = H * W
for _ in range(Q):
    Y, X = map(int, input().split())
    if A[X] == float('inf'):
        ans -= H - Y + 1
        A[X] = Y - 1
    else:
        if A[X] > Y - 1:
            ans -= A[X] - Y + 1
            A[X] = Y - 1
    print(ans)