Task: Program Execution
Input (English): 5, 12, ['6961', 'A', '8195', 'D', 'd', '6795', '6717', 'u', 'm', 'G', '2149', '641', '9389', '2175', 'z', 'A', 'g', '7951', '1953']
Output (English): d67956717umG2149641