import java.util.Scanner;

public class zadacha2 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        double price = Double.parseDouble(scan.nextLine());
        double puzzle = Double.parseDouble(scan.nextLine());
        double doll = Double.parseDouble(scan.nextLine());
        double bear = Double.parseDouble(scan.nextLine());
        double minion = Double.parseDouble(scan.nextLine());
        double truck = Double.parseDouble(scan.nextLine());

        double sum = puzzle * 2.6 + doll * 3 + bear * 4.1 + minion * 8.2 + truck * 2;
        double count = puzzle + doll + bear + minion + truck;
        if(count >= 50){
            sum = sum * 0.75;
        }
        sum = sum * 0.9;
        if(sum >= price){
            System.out.printf("Yes! %.2f lv left.",sum - price);
        }else{
            System.out.printf("Not enough money! %.2f lv needed.",price - sum);
        }
    }
}