H,W,Q = map(int,input().split())
A = [H+1]*(W+1)
tot = H*W
for _ in range(Q):
    y,x = map(int,input().split())
    if A[x]<y:
        print(tot)
    else:
        delta = A[x]-y
        tot -= delta
        A[x] = y
        print(tot)