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

min_ = {}
ans = h * w
for _ in range(q):
    y, x = map(int, input().split())
    x -= 1
    if y < min_.get(x, h + 1):
        ans -= min_.get(x, h + 1) - y
        min_[x] = y
    print(ans)