Cupcake Party

Interview

Time limit1sMemory limit1024 MB

Summary

Given R boxes of 8 cupcakes and S boxes of 3 cupcakes, find the number left after 28 students each take one.

Level: Easy1 of 10
Topics: Math, Implementation, Brute force
Solved: No attempts yet

Problem

A regular box holds 8 cupcakes, and a small box holds 3 cupcakes. A class has 28 students, and there are at least 28 cupcakes in total. Determine how many cupcakes are left over after each student gets one cupcake.

Input

The input consists of two lines.

The first line contains an integer $R \ge 0$ , the number of regular boxes.
The second line contains an integer $S \ge 0$ , the number of small boxes.

Output

Output the number of cupcakes that are left over.

Examples2

Example 1
Input
```
2
5
```
Expected output
```
3
```
Example 2
Input
```
2
4
```
Expected output
```
0
```