###
Maximum and minimum even digit

#### Problem

Given a natural number

`N`

(

\(N<=10^9\)). Determine its maximum even and minimum even digits.

**Input **
The input is a single number.

**Imprint **
Print two numbers separated by a space: first, the minimum even digit, then the maximum. If there are no even digits in the number, print

`NO`

.

It is guaranteed that if in if there are even digits, then there are at least two of them.

##### Examples

# |
Input |
Output |

1 |
45545 |
4 4 |

2 |
111 |
NO |

Запрещенные операторы: `[`

; `list`

; `sort`