Task: Program Execution
Input (English): 1, ['O', 'D', '975', 'D', '9723', 'q', '25', 'q', '1733', 'g', 'J', '2691', 'Q', 'M', '153', '791', '5685', 'U', '313', 'w', 'x', 'T', 'q', 'b', '8791', 'Z', '9723', '4275']
Output (English): O