import sys
input = sys.stdin.readline
from collections import *

H, W, Q = map(int, input().split())
ans = H*W
d = defaultdict(lambda: H+1)

for _ in range(Q):
    Y, X = map(int, input().split())
    
    if Y<d[X]:
        ans -= d[X]-Y
        d[X] = Y
    
    print(ans)