import java.io.*;
import java.util.*;
public class Driver {
public static void main(String[] args){
Loops L = new Loops();
System.out.println(L.diag(3));
System.out.println(L.diag(5));
System.out.println(L.diagWord("hello"));
System.out.println(L.fence(15,8));
System.out.println(L.fence(2,2));
}
}