Task: Program Execution
Input (English): 5, ['C', '7361', 'j', '8175', '427', 'O', 'a', 'M', 'G', '7925', '3127', '9433', 'd', '5681', 'p', 'T', '6727', '6755', '9399']
Output (English): C, O, 3127, T