Task: Program Execution
Input (English): 4, 9, ['5815', 'G', 'Q', '7225', 'x', 'A', '1405', 'i', 'm', 'r', '1949', 'Z', 'h', 'u', 'R', '699', 'L', '1823', '2181', 'k', 'e']
Output (English): 7225, h