h,w,q=gets.split.map(&:to_i)
seki=[h]*[w,10**5].min
sum = h*w

query = $<.map{|l|l.split.map(&:to_i)}
ex = query.map{|y,x|x}.sort.uniq
query.each{|y,x|
  x = ex.index(x)
  if seki[x-1] > y-1
    sum -= seki[x-1] - (y-1)
    seki[x-1] = y-1
  end
  p sum
}