# Test

# Test 1

```test
> 0
F
```

# Test 2

```test
> 1
F
```

# Test 3

```test
> 5
F
```

# Test 4

```test
> 7
R
```

# Test 5

```test
> 9
R
```

# Test 6

```test
> 11
R
```

# Test 7

```test
> 10000
F
```