import sys

input = sys.stdin.readline

H,W,Q = map(int,input().split())
min_dic = {}
res = H*W
ans = []
for _  in range(Q):
    y,x = map(int,input().split())
    if x not in min_dic:
        res -= H
        res += y - 1
        min_dic[x] = y
    else:
        if min_dic[x] > y:
            res -= min_dic[x] - 1
            res += y - 1
            min_dic[x] = y
    ans.append(res)

print(*ans,sep="\n")