eolymp
Problems

Number of students

Number of students

Time limit 1 second
Memory limit 128 MiB

There are a boys and b girls in the class. How many students in the class in total?

Input data

Two positive integers a and b (a, b10^18).

Output data

Print the number of students in the class.

Examples

Input example #1
12 9
Output example #1
21
Author Matviychuk Sergiy
Source "ABC programming"