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>
#include <string.h>

int main()
{
  char s[101],t[101],a[201];
  scanf("%s %s",s,t);
  for(int i=0;i<strlen(t);i++){
    a[i]=t[i];
  }
  for(int j=strlen(t);j<strlen(t)+strlen(s);j++){
    a[j]=s[j-strlen(t)];
  }
  for(int k=0;k<strlen(a);k++){
    printf("%c",a[k]);
  }
  printf("\n");
  return 0;
}