백준 #20254번 Site Score

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int UR = sc.nextInt();
		int TR = sc.nextInt();
		int UO = sc.nextInt();
		int TO = sc.nextInt();
		
		System.out.println(56 * UR + 24 * TR + 14 * UO + 6 * TO);
		sc.close();
	}
}