<!DOCTYPE html>
<html>
<body>
<script>
var num1 = 1;
var num2 = 1;
var num3 = "1" + num1 + num2;
document.write(num1 + "<br>");
document.write(num2 + "<br>");
document.write(num3 + "<br>");
</script>
</body>
</html>
Guess output of the following code.