Task: Program Execution
Input (English): 4, 15, ['5707', 'H', 'u', 'o', '2019', 'H', 'H', 'z', 'o', '8081', 'a', '8049', 'q', 'O', '9551', '6075']
Output (English): 9551Oq8049a8081ozHH2019o