#P444. 【例78.2】大整数加法

【例78.2】大整数加法

Description

Calculate the sum of two non-negative integers, each with at most 200200 digits.

Input Format

Two lines, each containing a non-negative integer with at most 200200 digits. The integers may have leading zeros.

Output Format

A single line containing the sum. The result should not have any leading zeros. For example, if the result is 342342, it should not be output as 03420342.

Sample

20
10
30