Task: Program Execution
Input (English): A, 4491, 4147, F, 631, t, t, 2777, 2643, X, R, 7679, o, g, z, 6331, q, 8071, 5585, n, 2853, 2481, S, e
Output (English): 2, 3, 5, 8, 9, 12, 16, 18, 19, 21, 22