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()
{
  unsigned long a,b,k,c,d;
  scanf("%d",&a);
  scanf("%d",&b);
  scanf("%d",&k);
  if(a<=k)
  {
    c=0;
    d=(a+b)-k;
  }
  else
  {
    c=a-k;
    d=b;
  }
  if(0>d) d=0;
  printf("%d",c);
  printf(" ");
  printf("%d",d);
  return 0;
}