Task: Program Execution
Input (English): 11, 12, ['3811', 'a', 'c', '7873', '407', 'n', 'k', 'z', 'C', 'J', '8067', 'Q', 'O', 'f', '3015', '3443', '2375', '8077', 'O', '8201']
Output (English): 8067, Q