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 C# (Mono 4.6.2.0) (judge verdict: Wrong Answer)

using System;


namespace ConsoleApp11
{
    class MainClass
    {
        public static void Main()
        {
            string[] S = Console.ReadLine().Split();
            string A = S[0];
            string B = S[1];

            string R;
            R = A + B;
            Console.WriteLine(R);
        }
    }
}