Task: Program Execution
Input (English): 3, ['6971', '8007', '9637', 'M', 'O', 'o', '6041', 'D', '3399', '4043', '7323', 'S', 'w', 'e', '6421', '4345', '8559', '9455', 'R', '9711', 'j']
Output (English): 6971, M, 6041, 4043, w, 4345, R