Task: Program Execution
Input (English): 7, 17, ['k', '6143', '1683', 'C', 'D', '8513', 'd', 'C', '4993', '4719', 'y', 'f', '6483', '3317', '7549', '1635', '887', 'N']
Output (English): 7885361945771333846fy91743994Cd