Problem:
Score : 100 points

Problem Statement

Given are two strings S and T consisting of lowercase English letters. Concatenate T and S in this order, without space in between, and print the resulting string.

Constraints

S and T are strings consisting of lowercase English letters.

The lengths of S and T are between 1 and 100 (inclusive).

Input

Input is given from Standard Input in the following format:

S T

Output

Print the resulting string.

Sample Input 1

oder atc

Sample Output 1

atcoder

When S = oder and T = atc, concatenating T and S in this order results in atcoder.

Sample Input 2

humu humu

Sample Output 2

humuhumu

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

    import java.util.*;
	import java.lang.Math;
    public class Main 
	{
		public static void main(String args[])
		{
			Scanner scan = new Scanner(System.in);
			String a = scan.next();
			String b = scan.next();
			String c=b.concat(a);
			//char array[]=c.toCharArray();
			//Arrays.sort(array);
			System.out.println(c);
		}
    }