Task: Program Execution
Input (English): 4, ['n', '1137', 'u', '9189', '6733', '1769', '3621', 'f', 'l', '3041', '2969', '2061', 'i', '6585', '8397', 'J', 'f', '5301', 'O', 'b']
Output (English): n, 1137, u, 9189