(Hint, Hint)

import java.util.Scanner;

public class Factory {

  public static void main(String[] args) {

    Scanner myScanner = new Scanner(System.in);

    //Set variables
    int usernumber = myScanner.nextInt();
    int loop = usernumber;
    int finalAnswer = usernumber;
    int multiply = 1;

    //Ask the user for a number between 1 and 20
    System.out.println("Please enter a number between 1 and 20(inclucive)");

    //Here we loop round and round we go....
    while(--loop > 0) {
      finalAnswer = finalAnswer * multiply++;
      System.out.println(finalAnswer);
    }
  }
}