PROGRAMMING:Finding odd sum
Read in a batch of positive integers (with zero or negative number as the end flag), and find the odd sum of them.
###Input format:
Read in a batch of positive integers in a row (with zero or negative as the end flag).
###Output format:
For each set of inputs, the odd sum is output on a single line.
###Input example:
```in
1 3 90 7 0
```
###Output example:
```out
eleven
```
answer：If there is no answer, please comment
###Input format:
Read in a batch of positive integers in a row (with zero or negative as the end flag).
###Output format:
For each set of inputs, the odd sum is output on a single line.
###Input example:
```in
1 3 90 7 0
```
###Output example:
```out
eleven
```
answer：If there is no answer, please comment