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: Accepted)

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
     
    namespace ConsoleApp1
    {
        class Program
        {
            static void Main(string[] args)
            {
                var line = Console.ReadLine().Split();
                var a = line[0];
                var b = line[1];
     
                Console.WriteLine(b + a);
                Console.ReadLine();
            }
        }
    }