Task: Program Execution
Input (English): P L O 4245 B M L P l s x u Z e 5239 u E 4485 971 1895 b b G 5363 S l e s 3131 a 2141 B M n 8019
Output (English): 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 21, 22, 23, 25, 26, 27, 28, 30, 32, 33, 34