Task: Program Execution
Input (English): 1, 15, ['x', '9659', 'M', '9325', 'F', '9605', '1269', '9567', 'e', '2373', 'X', 'm', '5179', '7053', 'F', 'c', 'c', 'G', '2577', '3357', 'i', 'w', 'c', '469', '3175', '6091']
Output (English): x9659M9325F960512699567e2373Xm51797053F