H, W, Q = gets.split.map(&:to_i)
cols = Hash.new 0
ans = H * W
Q.times do
    y, x = gets.split.map(&:to_i)
    d = H - y + 1
    d_prev = cols[x]
    d = [d, d_prev].max
    ans -= d - d_prev
    cols[x] = d
    puts ans
end