Task: Program Execution
Input (English): B, 269, 7775, g, T, b, 293, S, 5653, T, 5297, P, x, q, 4679, g, Q, 4903, 9945, R, n
Output (English): 1, 4, 5, 6, 8, 10, 12, 13, 14, 16, 17, 20, 21