Task: Program Execution
Input (English): 1, 5, ['P', 'x', '7835', 'L', 'o', '9687', '4161', '5903', 'V', '4215', '111', 'W', 'X', 'q', 'c', '5861', 'r', 'J', '6317', '4711', 'u']
Output (English): P, 9687, 111, 5861, u