PROGRAMMING:Sum of some integers

Programming input a number of integers (at least 1), output their sum.
###Input example:
```in
1 2 3 4
```
###Output example:
```out
ten
```
###Input example:
```in
1 2 3 4 5
```
###Output example:
```out
fifteen
```
###Input example:
```in
three
```
###Output example:
```out
three
```







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