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You are given a number `n`

. Your task is to return the sum of the first 1000 decimal places of the square root of `n`

.

### Example

The square root of `2`

equals `1.4142135623...`

, so the answer is calculated as `4 + 1 + 4 + 2 + 1 + ...`

, 1000 digits altogether equals 4482.

```
SumDecimal(2) = 4482
```

### Run tests with benchmarks

```
go test -bench .
```