Task: Program Execution
Input (English): 1, ['Z', 'G', 'w', '15', 'H', '7267', '4515', '9293', 'l', 'w', '1153', 'N', '3051', 'd', 'R', 'R', 'Q', 'P', 'N', '2721', '5837', '9171', '485', '2325', '367', 'y']
Output (English): Z