#P188B. A + Reverse B

    ID: 2399 Type: RemoteJudge 2000ms 256MiB Tried: 0 Accepted: 0 Difficulty: (None) Uploaded By: Tags>*special problemimplementation*1300

A + Reverse B

No submission language available for this problem.

Description

You are given numbers a and b. Calculate the sum of a and reverse of b. A reverse of a number is a number which contains the same digits in reverse order. For example, reverse of 230 is 32, and reverse of 0 is 0.

The input contains two integers a and b (0 ≤ a, b ≤ 109), separated by a single space. The numbers are given without leading zeros.

Output the sum of a and reverse of b.

Input

The input contains two integers a and b (0 ≤ a, b ≤ 109), separated by a single space. The numbers are given without leading zeros.

Output

Output the sum of a and reverse of b.

Samples

5 15

56

73 9180

892