/* 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
	{
		List<String> data = Arrays.asList("ab", "Ьс", "cd", "аЬ", "Ьс", "cd");
 
		List<String> list = new ArrayList<>(data);
		Set<String> set1 = new HashSet<>(data);
		SortedSet<String> set2 = new TreeSet<>(data);
 
		System.out.println("list" + list);
		System.out.println("set1" + set1);
		System.out.println("set2" + set2);
	}
}

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