Task: Program Execution
Input (English): 3, 10, ['2919', '7209', 'b', '4299', 'k', 'A', '9923', 'a', '3837', 'N', 't', '2085', '7257', 'H', 'Z', '3903', '3103', 'd', 'U']
Output (English): b4299kA9923a3837N