Task: Program Execution
Input (English): 4, ['v', 'B', '4359', 'i', 'm', '3485', 'C', '7209', '6681', '9433', '9419', 'p', '7367', 'S', '4917', 't', 'x', 'U', '5603', 'u', '4023', '1193']
Output (English): v, B, 4359, i