double puzzlePrize = 2.60;
double dollPrize = 3.00;
double teddyBearPrize = 4.10;
double minionPrize = 8.20;
double truckPrize = 2.00;

double excursionPrize = double.Parse(Console.ReadLine());
int puzzles  = int.Parse(Console.ReadLine());
int dolls = int.Parse(Console.ReadLine());
int teddyBears = int.Parse(Console.ReadLine());
int minions = int.Parse(Console.ReadLine());
int trucks = int.Parse(Console.ReadLine());

double totalCost = (puzzles * puzzlePrize) + 
    (dolls *  dollPrize) + 
    (teddyBears * teddyBearPrize) + 
    (minions * minionPrize)  + 
    (trucks * truckPrize);

int totalToys = puzzles + dolls + teddyBears +  minions + trucks;
if (totalCost >= 50)
{
    totalCost -= totalCost * 0.25;
}

totalCost -= totalCost * 0.1;

if (totalCost >= excursionPrize)
{
    double leftMoney = (totalCost - excursionPrize);
    Console.WriteLine($"Yes! {leftMoney:F2} lv left.");
}
else
{
    double neededMoney = excursionPrize - totalCost;
    Console.WriteLine($"Not enough money! {neededMoney:F2} lv needed.");
}