// fact.ds

function int factorial(ref int n )
{
    if (n <= 1) 
        return( 1 );

   // line 6 or 10 syntax error ; should be deleted

    else 
		if (1)
    		return( n * factorial( n - 1 ))
 
   // I delete ; from PA1 testing file, so no syntax error here

		else
		{
			int temp;

			temp = factorial( n - 1 );
			println(" Return value from factorial is ", temp );
			return( n * temp );

                         ;
                // empty statement should be ok here
			{
                           int temp; ;;

                // no error here.
			}; 

                        {
                           temp = 10
                        }
		}
}

function int FACTORIAL( int n )
{
    int result;

    result = 1;

    while (n > 0) 
    {
        result = result * n;
        n = n - 1;
        my var = 1;
        // line 48 syntax error
        s = factorial(n, 1+3*2, (x+y)*z && a[1].ab->xy);
        // can you pass? no error here

        s = fact((x%y)-12 && ab.[2].ab->xy);

        // line 53 syntax error 
    };

    return( result );
}

function void main()
{
    int n;

    n = 5;
    println( "The value of factorial(", n, ") is ", factorial( n ));
    println( "The value of FACTORIAL(", n, ") is ", FACTORIAL( n ));

	println("\n\t--==>> That's all, Folks! ");
}