public class C1E4 {

 public static void main(String[] args) {

  System.out.println("a       a^2       a^3");
  System.out.println("1       1         1");
  System.out.println("2       4         8");
  System.out.println("3       9         27");
  System.out.println("4       16        64");

 }
}