from collections import defaultdict
h, w, q = map(int, input().split())
d = defaultdict(lambda: 10**18)
res = h*w
for i in range(q):
    y, x = map(int, input().split())
    if y < d[x]:
        if d[x] == 10**18:
            d[x] = y
            res -= h-d[x]+1
        else:
            res -= d[x]-y
            d[x] = y
    print(res)