Task: Program Execution
Input (English): a B A 9181 b 7829 2883 843 5409 y 9043 1369 6671 e 7703 1281 K 237 Z 597 L A 4203 R 5087 O A T N T S J 3017 1415
Output (English): 4, 6, 7, 8, 9, 11, 12, 13, 15, 16, 18, 20, 23, 25, 33, 34