import java.io.*;

class Homework {

  public static void main(String[] args) {
    Console console = System.console();
    String input = console.readLine(
      "Please enter a number between 1 and 10: ");
    int max = Integer.parseInt(input);
    for (int i = 1; i < max; i++) {
      console.printf("%d\n", i*i);   
    }
  }
}