h, w, q = map(int, input().split())
a = {}
for i in range(1, w + 1):
    a[i] = h + 1

ans = h * w
for _ in range(q):
    y, x = map(int, input().split())
    if a[x] > y:
        ans -= a[x] - y
        a[x] = y
    print(ans)