Task: Program Execution
Input (English): 1, ['M', 'R', '4273', 'p', '4515', '3327', 'H', '3273', '9067', '1099', '7373', '5125', 'V', '4077', 'M', 's', '869', 'L', 'D', 'z', 'M', 'k', 'C', '8325']
Output (English): M