AT_abc466_a [ABC466A] Compromise

There are $ N $ choices. You will choose one of these choices. If you choose the $ i $ -th choice, your happiness will be $ X_i $ . If your happiness will be negative no matter which choice you choose, output `Yes`; otherwise, output `No`.

The input is given from Standard Input in the following format: > $ N $ $ X_1 $ $ X_2 $ $ \ldots $ $ X_N $

Output `Yes` or `No` according to the instructions in the problem statement.

### Sample Explanation 1 If you choose choice $ 1 $ , $ 2 $ , or $ 4 $ , the happiness will not be negative. ### Constraints - $ 2 \leq N \leq 10 $ - $ -100 \leq X_i \leq 100 $ - All input values are integers.