"""


"""

import sys
from sys import stdin

H,W,Q = map(int,stdin.readline().split())

dic = {}
ans = H*W
ALIS = []

for i in range(Q):

    Y,X = map(int,stdin.readline().split())
    if X not in dic:
        dic[X] = H+1

    if dic[X] > Y:
        ans -= dic[X]-Y
        dic[X] = Y

    ALIS.append(ans)

print ("\n".join(map(str,ALIS)))