#include<bits/stdc++.h>
// #include<atcoder/all>

using namespace std;
// using namespace atcoder;
using ll = long long;
using ull = unsigned long long;
using P = pair<int,int>;
#define rep(i,n) for(ll i = 0;i < (ll)n;i++)
#define ALL(x) (x).begin(),(x).end()
#define MOD 1000000007


int main(){
  
  ll h,w,Q;
  cin >> h >> w >> Q;
  ll res = h*w;
  map<ll,ll> mp;
  while(Q--){
    ll y,x;cin >> y >> x;
    if(!mp.count(x))res -= h - y + 1,mp[x] = y;
    else {
      if(mp[x] > y)res -= mp[x] - y,mp[x] = y;
    }
    cout << res << "\n";
  }
  

  return 0;
}