H, W, Q = map(int, input().split())

t = [H] * W
c = sum(t)
result = []
for _ in range(Q):
    Y, X = map(int, input().split())
    p = t[X - 1]
    t[X - 1] = min(t[X - 1], Y - 1)
    c -= p - t[X - 1]
    result.append(c)
print(*result, sep='\n')