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: Runtime Error)

uses crt;
var
    t,s:string;
i,j:integer;
begin
 clrscr;
readln(s);
for i:= 1 to length(s) do  if(s[i]=' ') then break;
for j:= i to length(s) do begin
t[j]:=s[j];
s[j]:=' ';
end;
       writeln(t,s);                                                                          
                                                   
readln;
end.