------
## 最终结论
```python
def exchange(lst1, lst2):
    odd_count = sum(1 for num in lst1 if num % 2 != 0)
    even_count = sum(1 for num in lst2 if num % 2 == 0)
    
    if even_count >= odd_count:
        return "YES"
    else:
        return "NO"
```