import java.util.Scanner;

public class ScannerTest {
    public static void main(String[] args) {
        Scanner scann = new Scanner(System.in);

        System.out.println("Enter your number:");
        int a = scann.nextInt();
        double result = Math.sqrt(a);
        System.out.println(a);
        System.out.printf("'%.5f'%n", result);



    }
}