import java.util.*;
import java.util.stream.*;
public class Main{
    public static void main(String[] args)
    {
        ArrayList<Integer> al=new ArrayList<>();
        al.add(7);
        al.add(90);
        al.add(4);
        al.add(18);
        al.add(3);
        System.out.println("List : "+al);
      Stream<Double> stm=al.stream().map(n->Math.sqrt(n));
      stm.forEach(n->System.out.println(n+" "));
    }
}