H, W, Q = map(int, input().split())
D = {}
d = H*W
for i in range(Q):
  y, x = map(int, input().split())
  if x-1 not in D:
    d-=H+1-y
    D[x-1]=y
  else:
    if D[x-1]>y:
      d-=D[x-1]-y
      D[x-1]=y
  print(d)