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 (Clang 10.0.0) (judge verdict: Wrong Answer)

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