Task: Program Execution
Input (English): I 9725 3551 Y 7333 8697 G 2883 6545 9089 R 8601 R 5959 4143 9487 E p 7067 9711 A 669 29 D d k y R 4073
Output (English): 1, 4, 7, 11, 13, 17, 18, 21, 24, 25, 26, 27, 28