Teacher: In this task, you are given a country name, and you need to return the numeric International Organization for Standardization (ISO) code of the given country. The codes are three-digit numbers defined by the ISO to represent countries, dependent territories, and special areas of geographical interest.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Angola
Solution: 024
Reason: 024 is the numeric ISO of the country called Angola.

Now, solve this instance: North Korea
Student:
408