from collections import defaultdict

H, W, Q = map(int, input().split())
col = defaultdict(lambda: H)
cur = H * W

for _ in range(Q):
    Y, X = (int(x) - 1 for x in input().split())
    if col[X] > Y:
        cur -= col[X] - Y
        col[X] = Y
    print(cur)