Task: Program Execution
Input (English): 4, ['8973', '1601', '3613', 'E', 'S', 'f', 'Q', 'B', 'n', 'W', 'G', '6421', 'l', '3919', '7689', '1227', 'A']
Output (English): S, f, Q, B, n, W, G, 6421, l, 3919, 7689, 1227, A