Task: Program Execution
Input (English): 4815, 3987, d, C, Q, 111, 8635, 4455, c, 9781, 4503, X, o, d, 4273, 8437, 1791, 5455, S, 1055, n
Output (English): 1, 2, 6, 7, 8, 10, 11, 15, 16, 17, 18, 20