import Foundation


let towns = Int(readLine()!)!
let population = readLine()!.components(separatedBy: " ").map({ Int($0)! })
let townLocation = readLine()!.components(separatedBy: " ").map({ Int($0)! })
let clouds = Int(readLine()!)!
let cloudLocation = readLine()!.components(separatedBy: " ").map({ Int($0)! })
let cloudWidth = readLine()!.components(separatedBy: " ").map({ Int($0)! })

var townList=[Int]()
var townSunny=[Int]()

for _ in 0..<townLocation.max()! {
    townList.append(0)
    
}

for i in 0..<towns {
    let loc = townLocation[i]-1
    townList[loc] = population[i]
}

var result = 0

for k in 0..<clouds {
    townSunny = townList
    for i in 0..<clouds {
        if k != i {
            for j in cloudLocation[i]-cloudWidth[i]-1...cloudLocation[i]+cloudWidth[i]-1 {
                townSunny[j] = 0
            }
        }
    }
    let happy = townSunny.reduce(0, +)
    if happy > result {
        result = happy
    }
}

print(result)


// Enter your code here