Zoe went to a gift shop to buy a gift for her best friend $.$There are different kinds of gifts in the gift shop.Zoe wants to buy her the most expensive gift,but the most expensive gifts are out of stick.So she wants to buy her best friend the second most expensive gift in the shop.

Write a program in java that reads an integer N$,$ and N number of space$-$seperated costs of the gifts and prints the cost of the second most expensive gift she can buy for her best friend. If there are no second most expensive gift in the shop print No gifts avaliable.