# Test

# Test 1

```
> 0
F
```

# Test 2

```
> 1
F
```

# Test 3

```
> 5
F
```

# Test 4

```
> 7
R
```

# Test 5

```
> 9
R
```

# Test 6

```
> 11
R
```

# Test 7

```
> 10000
F
```