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

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int a, b = 0;
		Scanner in = new Scanner(System.in);
		a = in.nextInt();
		while (a >= 0) {
			System.out.println(a + " " + b);
			a -= 4; b += 4;
		}
	}
}