Task: Program Execution
Input (English): 7, ['4977', 'D', 'H', '6719', 'Y', '7507', 'p', 'A', '5941', '6555', '5287', '9043', '4607', 'I', 'y', '3501', 'w', '7681', '3869', 'A']
Output (English): 4977, A, y