/* 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
		HashSet<Integer> h = new HashSet<>();
 
		h.add(2);
		h.add(5);
		h.add(6);
		h.add(10);
 
		for (int i : h) {
			if (i > 5) {
				h.add(100);
			}
		}
 
	}
}

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