Task: Program Execution
Input (English): 333 G Y 6849 N V 7405 Z b Q k 4785 5599 1221 7065 l 8387 5497 K 71 g 8021 821 1465 5407 U 1945 U v 1389 g 7083 4771
Output (English): 1, 4, 7, 12, 13, 14, 15, 17, 18, 20, 22, 23, 24, 25, 27, 30, 32, 33