Comprehension Passage
Directions: Study the given information carefully answer the questions followed by it
An input-output is given in some steps. Some mathematical operations are done in each step. Observe the steps followed in the first input and follow them for the second input as well.


What will be the difference of two blocks in step 3 for the given input?
1
3
2
15
3
8
4
Cannot be determined
5
None of the above