Mars Addition Puzzle

HuanHuan recently read a book about Mars and encountered a perplexing addition operation. Due to her limited arithmetic skills, she is having difficulty performing the calculation \(a + b\). As an excellent programmer, your task is to help her by writing a program that computes the sum of two integers.

inputFormat

The input consists of a single line containing two space-separated integers \(a\) and \(b\).

outputFormat

Output a single integer that is the sum \(a + b\) of the two input numbers.

sample

3 4

7