Task: Program Execution
Input (English): 531, g, w, b, 4093, l, u, 3593, 8795, Y, 1033, 2901, 3283, B, r, 3975, 2061, 9031, e, P, t
Output (English): 1, 5, 8, 9, 11, 12, 13, 16, 17, 18