Task: Program Execution
Input (English): 4, 12, ['j', '863', 'u', '3249', 'M', '5461', '8817', 'L', 'U', '4869', 'M', 'y', '2143', 'D', 'D', '3923', 'p', 'X', '931', 'Z', '9455', '3151', '5383', '4211', '7187', '8181', 'f', '6589', '9873']
Output (English): 3249M54618817LU4869My