# Test

# Test 1

```
> 1
> 2
> 1
> 4
> 7
> 9
> -1
1
2
1
4
7
9

```

# Test 2

```
> 1
> 1
> 0
> 1
> 0
> 1
> -1
1
1
0
1
0
1
```

# Test 3

```
> 1
> 2
> 3
> 4
> 5
> 6
> -7
1
2
3
4
5
6
```