from collections import defaultdict
import sys
input = sys.stdin.buffer.readline
sys.setrecursionlimit(10 ** 7)

H, W, Q = map(int, input().split())
row = defaultdict(int)
ans = H * W
for _ in range(Q):
    h, w = map(int, input().split())
    if not row[w]:
        ans -= H - h + 1
        row[w] = h
    else:
        if row[w] > h:
            ans -= row[w] - h
            row[w] = h
    print(ans)