Task: Program Execution
Input (English): 1, ['Z', '8027', '8753', '2039', '6261', 'h', '2241', '6185', 'l', '6565', '1453', 'f', '1879', '369', 'X', '2579', 'r', 'g', '1419', 't', '9615', 'z', 'K', 'b']
Output (English): Z