Defect description:
If only one input is given(as first unary value) ,it should show the message as "Another input is required!!!!",but instead it's performing the operation as if second input is given and landing up with a blank page after a while.
Steps to reproduce the issue :
Data structures lab -> List of Experiments -> Number Systems -> Simulation -> Unary systems
Defect description: If only one input is given(as first unary value) ,it should show the message as "Another input is required!!!!",but instead it's performing the operation as if second input is given and landing up with a blank page after a while.
Steps to reproduce the issue : Data structures lab -> List of Experiments -> Number Systems -> Simulation -> Unary systems
Test step link: http://cse01-iiith.vlabs.ac.in/exp1/Simulation.html?domain=Computer%20Science&lab=Data%20Structures#
Expected result: Message showing "Another input is required",should be displayed on the screen.
Actual result: It's landing up with a blank page after a while.
Screen shot:
![Screenshot from 2019-03-18 16-50-31](https://user-images.githubusercontent.com/47271999/54489688-e5f7ce00-48d4-11e9-910b-52d285caeeb8.png)