Task: Program Execution
Input (English): 8, 21, ['d', 'C', 'D', '6929', 'E', '4367', 'Y', '3555', '671', '731', 'S', 'z', '4327', '8119', '5947', '2699', '2643', 'C', '7585', 'F', 't', '4123']
Output (English): 3555671731Sz43278119594726992643C7585Ft