Task: Program Execution
Input (English): N, b, 1655, 2299, z, O, o, R, b, 8365, F, q, 2879, Y, 9207, 3805, f, 2167, x, s, F
Output (English): 1, 2, 5, 6, 7, 8, 9, 11, 12, 14, 17, 19, 20, 21