May someone please help i am stuck

Tell us what’s happening:

Your code so far

// Only change code below this line
var a;
var b;
var c;

var a = 5;
var b = 10;
var c = "I am a";

a = a + 1;
b = b + 5;
c = c + " String!";

// Only change code above this line
a = a + 1;
b = b + 5;
c = c + " String!";

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36 Edg/89.0.774.57.

Challenge: Understanding Uninitialized Variables

Link to the challenge:

You should not re-declare the variables.

You should not copy this code from below.

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