Task: Program Execution
Input (English): 55 a 2537 A 273 j n 4211 G 6573 9029 X T 5605 4449 2467 9121 M 2509 T 6939 7797 4857 y I
Output (English): 1, 3, 5, 8, 10, 11, 14, 15, 16, 17, 19, 21, 22, 23