/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
 
		String[] locales = {"en_US", "en-US", "es_MX", "fr-CA"};
		for (String s : locales) {
			s = s.replace("_", "-");
			System.out.println(new Locale(s).getLanguage());
			System.out.println(Locale.forLanguageTag(s).getLanguage());
		}
	}
}

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