There are **20** red balls and **16** blue balls in a bag. Any 2 balls are removed at each step and are replaced with a new ball on the basis of the following conditions:

- If they are of the same color, then they are replaced by a red ball.
- If they are of different colors, then they are replaced with a blue ball.

**Note**

- Assume you have a big supply of blue & red balls for this purpose).
- When you take the two balls out, you don’t put them back in, so the number of balls in the bag keeps decreasing.

**What will be the color of the last ball left in the bag?**

```
Option 1 : Red
Option 2 : Blue
Option 3 : Indeterministic
Whichever option is correct, just submit the integer value. For example:
if option 1 is correct then submit '1'
if option 2 is correct then submit '2'
```