Task: Program Execution
Input (English): 4, 5, ['7049', 'w', '5337', 'g', 'x', '7733', 'j', 'J', '2603', 'G', 'n', 'y', 'E', '9647', '1961', '3883', 'F', 'r', 'd', '8993', '5641']
Output (English): gx