Task: Program Execution
Input (English): 3, 19, ['z', '9531', 'a', '8753', '9393', '5149', 'N', 'w', '6565', 'u', '1911', 'M', 'M', '9209', '7507', '5303', 'Z', '2889', '3717']
Output (English): a875393935149Nw6565u1911MM920975075303Z28893717