let [|h; w; q|] = stdin.ReadLine().Split " " |> Array.map int


let mutable available = (int64 h) * (int64 w)
let mutable M = Map.empty

for _ in 0..q-1 do
    let [|y; x|] = stdin.ReadLine().Split " " |> Array.map int
    let minus =
        if Map.containsKey (x-1) M then
            let m = M.[x-1] - y
            if m < 0 then
                0
            else
                M <- M.Add (x-1, y)
                m
        else
            M <- M.Add (x-1, y)
            (h+1) - y
    available <- available - (int64 minus)
    printfn "%d" available
    
    
// let arr =
//     [|
//         for i in 0..q-1 ->
//             let [|y; x|] = stdin.ReadLine().Split " " |> Array.map int
//             x, y
//     |] |> Array.sort |> Array.rev
//     
// let rec count prev_x value index =
//     if index = arr.Length then
//         value
//     else
//         let x, y = arr.[index]
//         if prev_x <> x then
//             count x (value+y) (index+1)
//         else
//             count x value (index+1)
//             
// count -1 0 0 |> printfn "%d"