Task: Program Execution
Input (English): 3, 12, ['P', 'K', '5727', '9091', 'x', '1431', '6891', 'q', '9941', 'Z', 'S', '5613', '9737', '1645', '7239', '7021', '8249']
Output (English): 57279091x14316891q9941ZS5613