/* 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
	{
		System.out.println(4.1+"-"+0.1+"="+(4.1-0.1));
		System.out.println(4.1+"-"+0.1+"=(int)"+(int)(4.1-0.1));
		
		System.out.println("More examples:");
		
        for (int i = 1; i <= 10; i++) {
            System.out.println("i: "+i);
            for (int j = 0; j < 10; j++) {
                double d = Double.valueOf(i + "." + j);
                for (int k = 0; k < 10; k++) {
                    double d2 = Double.valueOf(k + "." + j);
                    if ((int) (d - d2) != i - k) {
                        System.out.println(d + "-" + d2 + "!=" + (i - k));
                    }
                }
            }
        }
	}
}