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>
#include<string.h>
int main()
{
	int X,Y;
	
	char S[20];
	char T[20];
	char U[20];
    
    scanf("%s %s",S,T);
    scanf("%d %d",&X,&Y);
    scanf("%s",U);


	if(strcmp(S,U)==0)
	{
		
		
	X--;
	printf("%d %d",X,Y);
	} 	
	
  else 
	{
		
	Y--;
	printf("%d %d",X,Y);
	}
	
	return 0;
}