p03852 AtCoder Beginner Contest 049 - UOIAUAI
Given a lowercase English letter c, determine whether it is a vowel. Here, there are five vowels in the English alphabet: `a`, `e`, `i`, `o` and `u`.

Constraints

* c is a lowercase English letter.

Input

The input is given from Standard Input in the following format:


c


Output

If c is a vowel, print `vowel`. Otherwise, print `consonant`.

Examples

Input

a


Output

vowel


Input

z


Output

consonant


Input

s


Output

consonant
```python
print(["consonant","vowel"][input() in "aiueo"])
```