from collections import defaultdict
h,w,q= list(map(int,input().split()))
d = defaultdict(lambda:h)
seat = h*w
for i in range(q):
    y,x= list(map(int,input().split()))
    if d[x] >= y:
        seat -= d[x]-y+1
        d[x] = y-1
    print(seat)