public static void main ( String [] args ) {

	int sum = 0;
	
	for  (int i=1; i<1000; i++ ) {
	    if ( i%3 == 0 && i%5 != 0 ) {
		sum += i; 
	    }

	    if ( i%5 == 0 ) {
		sum += i;
	    }
	}

	System.out.println("sum = " + sum );
    }