Task: Program Execution
Input (English): 4, 11, ['1163', 'P', '5017', 'r', 'm', 'n', 'r', 'B', 'G', 'A', 'w', 'j', '2189', 'i', 'c', 'j', 'Y', '1883', '5763', '9955', '6597', 'i']
Output (English): r, c