Task: Program Execution
Input (English): 2, 3, ['5471', '8131', 'q', '7005', '8197', 'S', '7965', 's', '293', '8787', '2379', '9595', 'H', 'm', '6883', '2575', '6583', 'X', 'N', 'H', '3409', 'D', '3281', '2715', 'x']
Output (English): q8131