h, w, q = map(int, input().split())

ans = h * w
lb = {}
for _ in range(q):
  yi, xi = map(int, input().split())
  lb.setdefault(xi, h + 1)
  ans -= (lb[xi] - 1)
  lb[xi] = min(lb[xi], yi)
  ans += (lb[xi] - 1)
  print(ans)