Task: Program Execution
Input (English): 2, 19, ['5321', '7787', '591', '4735', 'V', 'c', '7317', 'P', '4685', '387', '3589', 'H', '1677', 'B', '5697', '343', '6197', 'u', '4531']
Output (English): 4531u61973435697B1677H35893874685P7317cV47355917787