/* 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
	{
		int i = -21;
		System.out.println(i%5);
		System.out.println(c(i));
	}
	
	static Object c(int i){return i%5<1;}
}