A positive natural number, (for e.g.27) can be represented as follows:

```
2+3+4+5+6+7
8+9+10
13+14
```

where every row represents a combination of consecutive natural numbers, which add up to 27.

Write a program which inputs a positive natural number N and prints the possible consecutive number combinations, which when added give N.

Test your program for the following data and some random data

**SAMPLE DATA**

```
INPUT N = 15
OUTPUT 7 8
1 2 3 4 5
4 5 6
```

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