Task: Program Execution
Input (English): 4, 11, ['F', 'D', '8735', 'u', 'd', 's', 'w', 'M', '8267', 'R', '2757', 'H', '4039', '9419', '5401', '453', '1399', '9235', '9191', '1957']
Output (English): udswM8267R2757