# Test

# Test 1 

```test
? 5
? 6
? 7
? 8
? 9
? 10
5
```

# Test 2

```test
? 3
? 6
3
```

# Test 3 

```test
? 1
? 2
1
```

# Test 4 

```test
? 4
? 6
? 8
4
```