Task: Program Execution
Input (English): 11, 20, ['i', 'y', 'F', 'n', '8993', 'R', '8935', '3937', '1217', 'T', 'I', 'G', '3587', 'O', 'x', '3007', '8327', '1667', '2755', 'z']
Output (English): IG3587Ox3007832716672755z