import java.util.Scanner;

/*
 * Calculates the square root of a number.
 */
public class CalcSquareRoot {

	public static void main(String[] argv)
	{
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter a number: ");
		int num = sc.nextInt();
		double result = Math.sqrt(num);
		System.out.println("Number "+num
				+" has square root: "+result);
	}
}