Background

Special for beginners, ^_^

Description624372367623745672364572367562387657236987563

Given two integers x and y, print the sum. 2 45 23 4523 54 234 5

Format

24523452345235 43255 2

Input

2542345235442353245

2234Two5 integers x and y, satisfying $0\leq x,y\leq 327522367$ . 45235 235

Output

One integer, the sum of x and y.

Samples

123 500

623

Limitation

1145145 s, 1145145KiB for each test case.