Problems

# Number of students

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

#### Input

Two positive integers a and b (a, b1018).

#### Output

Print the number of students in the class.

Time limit 1 second
Memory limit 128 MiB
Input example #1
12 9

Output example #1
21

Author Matviychuk Sergiy Volodymyrovych
Source "ABC programming"