#include <iostream>
#include <vector>

int main() {
  int64_t height, width, nq;
  std::cin >> height >> width >> nq;

  std::vector<int64_t> min(width, height);
  size_t now = width * height;
  int64_t h, w;
  for (size_t i = 0; i < nq; i++) {
    std::cin >> h >> w;
    h--;
    w--;
    if (min[w] > h) {
      now -= min[w] - h;
      min[w] = h;
    }
    std::cout << now << std::endl;
  }
}