h,w,q,*xy = map(int,open(0).read().split())
s = {}
ans = h*w
for i in range(q):
    y,x = xy[i*2]-1,xy[i*2+1]-1
    if x not in s: s[x] = h
    if s[x] > y:
        ans -= s[x]-y
        s[x] = y
    print(ans)