Task: Program Execution
Input (English): 15, ['6607', 'E', 'j', '5083', '6621', 'U', '3413', 'x', 'T', '4853', '9277', 'Z', '4437', 'H', 'k', 'o', 'j', '5581', 'D', 'u', 'g', 'z', 'h', 'E', '6755', 'H', '9003', '7873', 'J', 'K', 'u', '1407', '3011']
Output (English): 6607, o, u