Task: Program Execution
Input (English): 2, 17, ['3943', '8813', '7693', 'U', '9159', '2455', 'm', '8333', '2619', '2817', '7641', '1361', 'X', 'I', '7743', '123', 's', '3887', '6315']
Output (English): s1237743IX13617641281726198333m24559159U76938813