#yuki1338

H, W, Q = map(int, input().split())
dic = {}
res = H*W
for i in range(Q):
    y, x = map(int, input().split())
    y -= 1; x -= 1
    d = dic.get(x, H)
    if d > y:
        res-= (d-y)
        dic[x] = y
    print(res)