Task: Program Execution
Input (English): 1, 9, ['8137', 'a', 'o', '1965', 'q', '7693', 'Y', 'X', '5891', '1871', '7265', 'L', '2329', 'h', '9311', 'G', 'h']
Output (English): 8137ao1965q7693YX5891