pat1008

package AdvancedLevelPractice;import java.util.Scanner;public class pat1008 {public static void main(String[] args) {// TODO Auto-generated method stubScanner scanner = new Scanner(System.in);int N = scanner.nextInt();int e1 = scanner.nextInt(), e2;int sum = 0;sum += e1 * 6;for(int i = 1; i < N; i++){e2 = scanner.nextInt();if(e2 > e1){sum += 6 * (e2 - e1);}else {sum += 4 * (e1 - e2);}e1 = e2;}sum += N * 5;System.out.print(sum);scanner.close();}}