from collections import defaultdict

h, w, q = map(int,input().split())
occupied = defaultdict(lambda: h)
ans = h*w
for _ in range(q):
    y, x = map(lambda x:int(x)-1,input().split())
    if y < occupied[x]:
        ans -= abs(occupied[x]-y)
        occupied[x] = y
    print(ans)