# Test

# Test 1

```test
? -1
0
```

# Test 2

```test
? 0
0
```

# Test 3

```test
? 0.99
0
```


# Test 4

```test
? 1
0
```

# Test 5

```test
? 5.5
1
```

# Test 6

```test
? 7
1
```

# Test 7

```test
? 10
0
```

# Test 8

```test
? 10.000001
0
```


# Test 9

```test
? 20
0
```