Task: Program Execution
Input (English): 3, 6, ['6553', '2073', 'z', 'W', '2441', '2007', '6083', 'D', 'M', '3487', 'E', 'E', '9271', 'P', 'b', 'H', 'q', '2209', '9147', 't', 'i', '239']
Output (English): z, M, b, i