A. A + B
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output

You are given two integers A and B. Calculate their sum and output it without leading zeros.

Input

Two lines of input data contain integers A and B (1 ≤ A, B ≤ 105).

Output

Output A + B without leading zeros.

Examples
Input
12
3
Output
15
Input
100
5
Output
105
Note

The code provided in the post about the round doesn't solve the task.