Task: Program Execution
Input (English): 3, ['6719', 'H', 'U', 'Q', 'k', 'n', '2609', 't', '6729', 'W', 'H', 'p', 'G', '145', 'P', 'D', 'J', '2411', 'S']
Output (English): 6719, H, U