import sys
input = sys.stdin.readline
def main():
    h,w,q=map(int,input().split())
    ans=h*w
    d={}
    for _ in range(q):
        y,x=map(int,input().split())
        if x not in d:d[x]=h+1
        ans -= max(0, d[x] - y);
        d[x]=min(d[x],y)
        print(ans)
    
if __name__=='__main__':
    main()