import sys
from collections import defaultdict
input=sys.stdin.readline
write=sys.stdout.write

H,W,Q=map(int,input().split())
D=defaultdict(lambda :H)

A=[0]*Q
C=H*W
for i in range(Q):
    Y,X=map(int,input().split())

    if D[X]>Y-1:
        C-=D[X]-(Y-1)
        D[X]=Y-1

    A[i]=C

write("\n".join(map(str,A)))