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 (GCC 9.2.1) (judge verdict: Runtime Error)

#include <stdio.h>
int main()
{
   char S[50],T[50], i, j;
   scanf("%s",S);
   scanf("%s",T);
   for(j=0;T[j]!='\0';++j);
   for(i=0;S[i]!='\0';++i,++j)
   {
      T[j]=S[i];
   }
   T[j]='\0';
   printf("%s",T);
   return 0;
}