Task: Program Execution
Input (English): 1, 3, ['b', '4135', 'i', '8269', 'r', '9721', '9575', '8247', 'T', '8819', '5221', '3925', '5757', '5511', '5885', '5329', '3007', '7329', 'p', '203', 'O', 'K', 'F']
Output (English): b4135i