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Question

Fluffy the Squirrel is trying to learn addition and division. Fluffy’s teacher provided him with the following table.

1475051900-b1b84b25fb-Untitleddrawing.png

The value of the above table is defined as .

(Note: represents the greatest integer smaller than . E.g. )

Fluffy’s homework is to find the minimum number of 90° clockwise rotations to maximise the value of the table.

A 90° clockwise rotation looks like the following: 1475052214-f613fc0760-Untitleddrawing1.png

In the above example, the table's initial value is while the table's value after one rotation is .

Help Fluffy with his homework!

Hint: // is for floor division in Python 3, e.g. 5 / 2 returns 2.5 whereas 5 // 2 returns 2.

Input Format

There are two lines of input.

The first line contains two integers and .

The second line contains two integers and .

Constraints

Output Format

Output an integer , the minimum number of 90° clockwise rotations needed to maximise the table's value.

Sample Input

1 2
3 4

Sample Output

2

Explanation

After 2 rotations, the table's value is , which is the maximum possible.

Answer 1

anwer is me yoo 245, 45rtd, error, 3grt, c is to klargre fotr bvari able 537276db1g10101010010101 1001010101
111101010 odnefe ejdcbfe thids hard

I AM RIGHT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

OK,,, i'l stop now

Answer 2

you should stop doing this