Task: Program Execution
Input (English): 17, 21, ['y', '423', 's', '7225', 'm', '4607', '6223', '8017', 'U', 'Q', 'b', 'T', 'o', '1629', '8439', 'R', 'F', 'J', 'q', 'D', '6589', '9173', '9351']
Output (English): FJqD6589