Task: Program Execution
Input (English): 7, 12, ['131', 'A', 'C', 'l', '2139', '875', '3869', 'Z', '6487', '813', '5873', '2335', '4495', '1351', '5401', '689', '6077', '1427', 'F']
Output (English): 233558738136487Z3869