h, w, q = map(int, input().split())


memo = [h] * w
temp = h * w
for _ in range(q):
    y, x = map(int, input().split())
    y, x = y - 1, x - 1
    pre = memo[x]
    nx = y
    if pre < nx:
        print(temp)
    else:
        memo[x] = nx
        temp -= pre - nx
        print(temp)