**Tell us what’s happening:**

Pls help me I am stuck in this challenge.

**Your code so far**

// Example

var sum = 0;

function addThree() {

sum = sum + 3;

}

function addFive() {

sum =sum + 5;

}

```
// Example
var sum = 0;
function addThree() {
sum = sum + 3;
}
function addFive() {
sum =sum + 5;
}
```

**Your browser information:**

User Agent is: `Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36`

.

**Challenge:** Understanding Undefined Value returned from a Function

**Link to the challenge:**