# coding:UTF-8
import sys

MOD = 10 ** 9 + 7
INF = float('inf')

H, W, Q = list(map(int, input().split()))     # スペース区切り連続数字
YX = [list(map(int, input().split())) for _ in range(Q)]     # スペース区切り連続数字(行列)

res = H * W
zan = [H] * W

for y, x in YX:
    t = y - 1
    if zan[x-1] > t:
        d = zan[x-1] - t
        zan[x-1] = t
        res -= d

    print("{}".format(res))