In this task, you are given a country name, and you need to return the year in which the country became independent. Independence is a nation's independence or statehood, usually after ceasing to be a group or part of another nation or state, or more rarely after the end of military occupation.

Ex Input:
South Korea

Ex Output:
1948


Ex Input:
Liechtenstein

Ex Output:
1806


Ex Input:
Sri Lanka

Ex Output:

1948