import sys
import itertools
import math
def S(): return sys.stdin.readline().rstrip()
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LS(): return list(sys.stdin.readline().rstrip().split())

h,w,q = MI()
v = [h]*w

ans = h*w
for i in range(q):
    y,x = MI()
    if y-1 < v[x-1]:
        ans -= v[x-1]-y+1
        v[x-1] = y-1
    print(ans)