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.

Input: Consider Input: Sao Tome and Principe

Output: 1975


Input: Consider Input: Vanuatu

Output: 1980


Input: Consider Input: Lesotho


Output: 1966