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,b:string;
    i,n:longint;
begin
        clrscr;
        read(a);
        for i:=1 to pos(' ',a) do
        begin
        b:=b+a[i];
        end;
        delete(a,1,pos(' ',a));
        writeln(b,a);
        readln;
end.