Task: Program Execution
Input (English): 6, 8, ['9707', 'c', '1869', '9499', 'f', 'G', 'U', 'i', '2303', '9491', '5517', '9867', '5147', '8793', 'u', '3377', '7455', 'f', 'G', '5289', '1867', '6313', 'r', '6723', '8239', '4859']
Output (English): GUi