Task: Program Execution
Input (English): 7, 9, ['f', 'b', 'w', 'k', '9131', '4529', 'c', '6383', 'a', '3273', '4595', 'a', 'D', '7217', '7655', 'a', '151', '9217', 't', '999']
Output (English): a6383c