h,w,q = map(int, input().split())
d={}
a=w*h
for _ in range(q):
    y, x = map(int, input().split())
    if x not in d:
        d[x]=y
        a=a-(h-d[x])-1
    elif y<d[x]:
        a=a-(d[x]-y)
        d[x]=y
    print(a)