Task: Program Execution
Input (English): 7667 4831 3405 4239 9269 1575 1003 L 9229 e n 3231 3909 2293 N c 1345 A 9497 O X k 8505 q 6431
Output (English): 1, 2, 3, 4, 5, 6, 7, 9, 12, 13, 14, 17, 19, 23, 25