/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.*;

/* 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
	{
		BigDecimal z = new BigDecimal("1.0");
		z = z.add(new BigDecimal("0.1"));
		z = z.add(new BigDecimal("0.1"));
		System.out.print("z := "+z);
		System.out.print(" # z:= "+((0.1+0.1)+(1.0)));
	}
}