Task: Program Execution
Input (English): 4, 11, ['7899', '427', '1187', 'W', '1393', 'f', 'N', '5997', 'V', '7329', 'u', '2199', 'Z', '8497', 'D', 'j', 'g', 'u', '3443']
Output (English): W1393fN5997V7329u