Task: Program Execution
Input (English): 10, ['U', 'R', '8445', '5147', 'Q', '3905', '623', 'q', '5703', '2007', 'Q', '1991', '2997', 'Z', 'A', 'B', '9907', 'R', 'p', '9261', '6679', 'K']
Output (English): Q, 1991, 2997, Z, A, B, 9907, R, p, 9261, 6679, K