Task: Program Execution
Input (English): 7, ['J', '5305', '2777', 'J', '1083', '3521', 's', '2845', '1139', '6897', '105', '5929', 't', 'Y', '1573', 'S', '9085', 'P', '5009', 'x', 'p', '67', 'C', 'O', 'e', '2907', '5433', '3983', 'R', '2897', '789', 'H', '2755', 'S', '5133', '3807', 'W', 'p']
Output (English): J, 2845, 1573, 67, R, 3807