Task: Program Execution
Input (English): 6425 c 1123 3751 U 5473 593 O 2021 7435 7105 e d 7145 4709 i j 683 3979 U 4311 q 8627 6371 H 2947 c y 2449 A A 5177 X
Output (English): 1, 3, 4, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 23, 24, 26, 29, 32