Task: Program Execution
Input (English): 7, 11, ['9937', '6663', 'U', 'x', '4913', 'C', 'q', '2991', 'D', 'y', 'm', 'm', 'i', '2309', 'C', '2365', 'F', '9561', 'Y', 'Y', 'H', 'u', '4435', 'P', 'b', 'e']
Output (English): m, y, D, 2991, q