Task: Program Execution
Input (English): 9, 10, ['a', 'A', '5773', 'Y', '1773', 'r', 'z', '371', 'G', 'V', '8991', 'C', 'I', 'j', 'c', 'w', 'N', 'W', 'O', 'M', 'y', '4945']
Output (English): GV