import java.util.*; 

class Three {
  public static void main(String[] args) {
    Scanner s = new Scanner(System.in); 
    System.out.print("Enter number: "); 
    String line = s.nextLine(); 
    double number = Double.parseDouble(line); 
    System.out.println( Math.sqrt( number ) + " squared is " + number ); 
  }
}