import java.util.Scanner;

public class Square {

    static double square(double a) {
        return a * a;
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter the value you want to square: ");
        double a = sc.nextDouble();
        sc.close();

        System.out.println("The square of " + a + " is: " + square(a));
    }
}