/* 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 x = 0.1;
		double sum = 0;
		long n = 1000000000L;
		for(long i=0;i<n;i++){
			sum+=x;
		}
		System.out.println(n/10);
	    System.out.println(sum);
	    System.out.println(n/10-sum);
	    System.out.println(sum-n/10);
	}
}

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