Task: Program Execution
Input (English): 8, 16, ['v', 'M', 'Z', '8763', 'k', 'I', 'm', '8789', '647', 'j', '9337', '6693', 'U', '6261', '157', 'u', 'F', '1355', '9961', '7579']
Output (English): u1576261U66939337j6478789