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:
Christmas Island

Ex Output:
.cx


Ex Input:
Greenland

Ex Output:
.gl


Ex Input:
Colombia

Ex Output:

.co


