You will be given two numbers of 40 digits each. You will have to print the summation of these two numbers.

Input

The input will contain two numbers, one per line. Each number will have exactly 40 digits.

Output

Print the summation of the two numbers.

Sample

Input	Output
3171903212614068245602942696135561291732 6347741253574373406144391134749799491657	9519644466188441651747333830885360783389