PROGRAMMING:Output the sum of several numbers

Programming input at least 1, up to 4 integers, output their sum.
```
Input sample 1:5 6 7 8 output sample 1:26
Input sample 2:1 5 output sample 2:6
Input sample 3:1 5 4 output sample 3:10
Input sample 4:5 output sample 4:5
```
###Input example:
```in
5 6 7 8
```
###Output example:
```out
twenty-six
```







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