#!/usr/bin/env python3
import sys

def main():
    H, W, Q = map(int, input().split())
    ok = [H] * W
    all = H * W
    for _ in range(Q):
        y, x = map(lambda i: int(i) - 1, input().split())
        if ok[x] <= y:
            print(all)
            continue
        all -= ok[x] - y
        ok[x] = y
        print(all)
    return

if __name__ == '__main__':
    main()