Task: Program Execution
Input (English): 1, 7, ['j', '9717', '9437', '5191', 'B', '6319', 'K', '211', '8889', '7971', '9917', '4985', '9429', 'v', 'N', '7201', 'Q', '4381', 'w']
Output (English): K, 6319, B, 5191, 9437, 9717, j