import java.io.*;
import java.util.*;
public class Driver {
public static void main(String[] args) {
myList L = new myList();
System.out.println(L);
for (int i = 0; i<5;i++) {
L.add((i+1)*5);
}
System.out.println(L);
for (int i = 0; i<7;i++) {
L.add((i+1)*5);
}
System.out.println(L);
System.out.println("----------------------");
L.insert(5, 280);
System.out.println(L);
}
}