from collections import defaultdict
h, w, q = map(int, input().split())
now = h * w
d = defaultdict(lambda: h)
for _ in range(q):
    i, j = map(int, input().split())
    i -= 1
    j -= 1
    if i < d[j]:
        now -= d[j] - i
        d[j] = i
    print(now)