func main() {
    guard let n = Int(readLine() ?? "") else { return }
    guard let line1 = readLine(),
          let line2 = readLine()
    else { return }
    
    let inOrder = line1.split(separator: " ").compactMap{Int($0)}
    let postOrder = line2.split(separator: " ").compactMap{Int($0)}

    var inOrderIdx = Array(repeating: -1, count: n+1)
    
    for i in 0..<inOrder.count {
        inOrderIdx[inOrder[i]] = i
    }
    
    var preOrder: [Int] = Array(repeating: 0, count: n)
    var preIdx = 0
    
    func order(inOrder_start si: Int, inOrder_end ei: Int, postOrder_start sp: Int, postOrder_end ep: Int) {
        if(ei < si || ep < sp) {
            return
        }
        
        let root = postOrder[ep]
        let rootIdx = inOrderIdx[root]
        
        preOrder[preIdx] = root
        preIdx += 1
        
        let leftLength = rootIdx - si
        
        order(inOrder_start: si, inOrder_end: rootIdx - 1, postOrder_start: sp, postOrder_end: sp + leftLength - 1)
        order(inOrder_start: rootIdx + 1, inOrder_end: ei, postOrder_start: sp + leftLength, postOrder_end: ep - 1)
    }
    
    order(inOrder_start: 0, inOrder_end: n-1, postOrder_start: 0, postOrder_end: n-1)
    print(preOrder.compactMap({String($0)}).joined(separator: " "))
}

main()