/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		double a = 5e-315;
		double b = 4e-315;
		System.out.println("a = " + a);
		System.out.println("b = " + b);
		if (a != b) {
			System.out.println("not equal");
		}
		double r = 2 / (a - b);
		System.out.println("2 / (a - b) = " + r);
	}
}

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