import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.LinkedHashSet;
import java.util.Iterator;
import java.util.Set;
// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
       Set<Integer> hashedset=new LinkedHashSet<>();
     hashedset.add(1);
        hashedset.add(2);
        hashedset.add(3);
        hashedset.add(5);
        Iterator<Integer> itera=hashedset.iterator();
        while (itera.hasNext()) {
            int val=itera.next();
            if (val == 1) {  // Correct comparison for primitives
                itera.remove(); // Safe removal using iterator
            }
            
        }
        System.out.println(hashedset);
        hashedset.clear();
        hashedset.addAll(Set.of(3,4,5));
        System.out.println(hashedset);
    }
}