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: Wrong Answer)

#include<stdio.h>

int main(void){

long int a,b,k;

scanf("%ld %ld %ld",&a,&b,&k);

if(a>k){
  a=a-k;
}else if(a+b>=k){
k=k-a;
  a=0;
  b=b-k;
}else{
  a=0;
  b=0;
}

printf("%ld %ld",a,b);

return 0;

}