Buy Clothes

Background of the topic

Little P opened a clothing store and bought a lot of goods...

Description

P buys $n$ pieces of clothing for $a_i$ yuan each, but will get $b_i$, but only by selling it. There are $t$ minutes, and someone may come to see the clothes every minute, as we all know, to look at the clothes, to touch the clothes, each touch will reduce the completeness of $1\%$, let the remaining completeness be $m$, then the net profit is $\lfloor b_i\times m\% \rfloor-a_i$.

Input format

Enter $n,t$ on the first line.

The second line $a_i$.

The third line $b_i$.

The fourth line $t$ counts, and in the $i$ minute a person touches the $c_i$ piece of clothing, and if $c_i$ is $0$, no one comes to see the clothes.

Output Format

Output total net profit.

Sample

Sample #1输入

2 2
1 1
5 4
1 0

Sample #1输出

6

Data Conventions

For data of $100\%$: $1\leqslant n\leqslant100,1\leqslant t\leqslant 100\times n-10,1\leqslant a_i,b_i\leqslant1000,1\leqslant c_i\leqslant n$.