Task: Program Execution
Input (English): 3907 u Y 5477 7187 x 491 8695 7043 p 2821 w k a 8901 6321 9023 H 7865 3881 2159 5691 9087 7193 O o 2881 l 8823 q M 3855 6945 9997 9831 r 8823 N h
Output (English): 1, 4, 5, 7, 8, 9, 11, 15, 16, 17, 19, 20, 21, 22, 23, 24, 27, 29, 32, 33, 34, 35, 37