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 5.4.1) (judge verdict: Wrong Answer)

#include<stdio.h>
int main(void){
  int A, AA, B, BB, K = 0;
  scanf("%d %d %d", &A,&B,&K);
  if((K-A)>=0){
    AA=0;
    if(B>=(K-A)){
      BB=B-K+A;
    }else{
      BB=0;
    }
  }else{
    AA=A-K;
  }
  printf("%d %d",AA,BB);
  return 0;
}