from collections import defaultdict


def main():
    H, W, Q = map(int, input().split())
    rest_sheets = H * W
    most_front_other_students = defaultdict(lambda: H + 1)
    for _ in range(Q):
        y, x = map(int, input().split())
        if most_front_other_students[x] < y:
            print(rest_sheets)
        else:
            rest_sheets -= (most_front_other_students[x] - y)
            most_front_other_students[x] = y
            print(rest_sheets)


if __name__ == "__main__":
    main()