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.

[EX Q]: Antigua and Barbuda
[EX A]: 028

[EX Q]: Bahrain
[EX A]: 048

[EX Q]: Papua New Guinea
[EX A]:
598