Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /in/kqgll on line 2
Warning: Use of undefined constant e - assumed 'e' (this will throw an Error in a future version of PHP) in /in/kqgll on line 2
Warning: Use of undefined constant z - assumed 'z' (this will throw an Error in a future version of PHP) in /in/kqgll on line 2
a1 = x a2 = e a3 = z
Notice: Use of undefined constant x - assumed 'x' in /in/kqgll on line 2
Notice: Use of undefined constant e - assumed 'e' in /in/kqgll on line 2
Notice: Use of undefined constant z - assumed 'z' in /in/kqgll on line 2
a1 = x a2 = e a3 = z