Task: Program Execution
Input (English): e n X r g X r d 4651 f w O 6367 W 4397 j 17 u 9137 471 2235 5169 a 6669 I 1813 p R S 9365
Output (English): 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 16, 18, 23, 25, 27, 28, 29