import java.lancs.BasicIo;

public class for_loops_sum
{
  public static void main (String[] args) throws Exception
    {      
      System.out.println ();          

      System.out.print ("Enter a number: ");
      int number = BasicIo.readInteger ();

      int total = 0;
      
      for (int i = 1; i <= number; i++)
        {
          total += i;
        }
      
      System.out.println ();          
      System.out.println ("The sum of all integers between 1 and " + number + " is: " + total);
      System.out.println ();
    }
}