import java.util.Scanner;
class J05E06
{
   public static void main(String[] args)
   {
      Scanner scan = new Scanner(System.in);
      int x, y, z = 1;

      System.out.print("Enter an integer between 0 and 10: ");
      x = scan.nextInt();

      if(x >= 0 && x <= 10)
      {
         y = 1;
         while(y <= x)
         {
            z = z * y;
            y++;
         }
         System.out.println("Calculated value is " + z);
      }
   }
}