Task: Program Execution
Input (English): 1, ['s', '3273', 'm', 'U', '8993', '8667', 'S', 'E', '8857', 'L', 'k', '453', '55', 'L', 'H', '4827', '5581', 'Q', '5247', 'z', '6061', '519', '3071']
Output (English): s