//	Q.A.1
//	John Wang
// 	Goal: 1/3 = ???

import java.text.DecimalFormat;

class QA916_1
{
	public static void main(String[] args)
	{
		DecimalFormat f2 = new DecimalFormat("0.00");
		double x = Math.pow(7, 1.0/3);

		System.out.println("Answer = " + f2.format(x) + "\n\n\n");
	}
}