In this task, you are given a country name and you need to return the Top Level Domain (TLD) of the given country. The TLD is the part that follows immediately after the "dot" symbol in a website's address. The output, TLD is represented by a ".", followed by the domain.

Ex Input:
Tonga

Ex Output:
.to


Ex Input:
Ireland

Ex Output:
.ie


Ex Input:
Eritrea

Ex Output:

.er