import sys
readline = sys.stdin.readline

H, W, Q = map(int, readline().split())
D = dict()
ans = H * W
for _ in range(Q):
    y, x = map(int, readline().split())
    if x not in D:
        ans -= H + 1 - y
        D[x] = y
    else:
        if y < D[x]:
            ans -= D[x] - y
            D[x] = y
    print(ans)