import sys
import io, os
input = sys.stdin.buffer.readline

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