Task: Program Execution
Input (English): 5481 X K 9785 7621 1175 R 2873 6651 5091 n 2175 6923 4091 i 6365 6721 5679 U M 3235 6225 353 a 2761 U F 9023 Z 6953 D E 8701 9335 2181 x 3629 c
Output (English): 1, 4, 5, 6, 8, 9, 10, 12, 13, 14, 16, 17, 18, 21, 22, 23, 25, 28, 30, 33, 34, 35, 37