import java.util.*;
import java.lang.*;
 
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
Set<String> cities = new HashSet<String>(Arrays.asList(new String[] {
    "Judenburg", "Knittelfeld", "Zeltweg", "Leoben", "Bruck/Mur", "Kapfenberg"
}));
if (cities.contains("Knittelfeld")) {
    System.out.println("Knittelfeld: yes");
}
if (!cities.contains("Moscow")) {
    System.out.println("Moscow: no");
}
 
	}
}

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