Concatenate Two Numbers

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Problem Description

Given two numbers A and B. Concatenate the two numbers and print it.



Problem Constraints

1 <= A, B <= 104



Input Format

There are two input lines
The first line has a single integer A.
The second line has a single integer B.



Output Format

Print in a single line the concatenated number.



Example Input

Input 1:-
4
5
Input 2:-
16
2



Example Output

Output 1:-
45
Input 2:-
162



Example Explanation

Explanation 1:-
Concatenating 4 and 5 will be 45.
Explanation 2:-
Concatenation 16 and 2 is 162.