Task: Program Execution
Input (English): 1081 b 7919 p 4537 9539 A 7757 P 385 a 8009 a 4809 z 8445 519 2823 7767 q r 4139 V 9517 6107 C 9329 Z Q E 4873 6641 M l 6835 1231
Output (English): 2, 4, 7, 9, 11, 13, 15, 20, 21, 23, 26, 28, 29, 30, 33, 34