Task: Program Execution
Input (English): 7, 12, ['C', '1817', 's', 'n', '5545', 'l', '1921', '6177', 'x', 'q', '4013', 'O', 'L', '6921', '1549', '7045', 't', '3673', 'x', 'T', 'O', '9609', '8149']
Output (English): O3104qx77161291