Task: Program Execution
Input (English): 3, ['t', '305', '5649', 'y', '2173', '2077', 'B', '717', 'T', '2181', '3189', 'H', 'e', '75', 'A', 'R', '1213', '3345']
Output (English): t, y, B, 2181, e, R