Task: Program Execution
Input (English): 1, 6, ['r', 'J', 'e', 'q', '6607', 'I', '4031', 'o', 'J', 'N', 'y', '4271', '2281', 's', '6641', '4101', 'J', '4363', 'K']
Output (English): r, 4031, 2281, K