Big Integer Addition

Problem Background

Special for beginners, ^_^

Problem Description

Compute the sum of two non-negative integers, each with no more than 200 digits.

Input Format

There are two lines, each containing a non-negative integer with no more than 200 digits, possibly with extra leading zeros.

Output Format

One line: the result of the addition. The result must not contain extra leading zeros — that is, if the result is 342, do not output it as 0342.

Sample Input

22222222222222222222
33333333333333333333

Sample Output

55555555555555555555

Constraints

1s, 1024KiB for each test case.