Task: Program Execution
Input (English): 9, ['8639', 'F', '6705', '2047', 'u', 'G', '4369', 'c', 'M', 'b', 'f', 'F', 'u', 'K', '309', 'R', 'K', 'T', '4233', '6689', 'D']
Output (English): b, f, F, u, K, 309, R, K, T, 4233, 6689, D