Task: Program Execution
Input (English): 7, 15, ['S', 'y', '7973', 'U', 't', '5543', '5603', '9565', 'i', 'V', 'z', '4795', 'f', '3561', '4029', 'a', '4729', 'v', '7135', '5871']
Output (English): 40293561f4795zVi95655603