Task: Program Execution
Input (English): 1, 8, ['d', 'P', '5745', '4915', '5775', '9621', 'x', 'x', 'n', 'S', 'T', '8169', '149', '1291', 'o', 'K', 'G', 'H', '2243']
Output (English): d, n, G