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++14 (GCC 5.4.1) (judge verdict: Accepted)

/*
	Created by Faisal Ahmed
*/

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long int ll;
typedef long double ld;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);cout.tie(NULL);
	
	string a, b;
	
	cin >> a >> b;
	
	cout << b + a << endl;
	
	return 0;
}