#include <iostream>
#include <vector>
using namespace std;
using ll = long long int;

int main(){
    int h, w, q;
    cin >> h >> w >> q;
    ll ans = (ll)h*w;
    vector<int> canuse(w, h);
    while(q--){
        int y, x;
        cin >> y >> x;
        if(canuse[x-1] > y-1){
            ans -= canuse[x-1];
            ans += y-1;
            canuse[x-1] = y-1;
        }
        cout << ans << endl;
    }
    return 0;
}