Task: Program Execution
Input (English): 8, ['u', '9547', 'x', '3941', '8705', 'X', 'b', 'p', 'F', 'o', 'b', '5561', '1507', 'J', '2523', '1319', '831', 'c', '3179', 'h', 'T', '3305', 'I']
Output (English): u, F, 831