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 Pascal (FPC 2.6.2) (judge verdict: Wrong Answer)

uses crt;
var a,s,t:string;
    i,j:word;

begin
    readln(a);
    t:=copy(a,pos(' ',a)+1,length(a)-pos(' ',a));
    s:=copy(a,1,pos(' ',a)-1);
    write(t,s);
end.