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: Accepted)

#include<stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
int main()
{
    char a[101],b[101],c[202];
    scanf("%s %s", a,b);
    int i;
    int x=strlen(a);
    int y=strlen(b);
    for(i=0;i<y;i++)
    {
        c[i]=b[i];
    }
    int k=0;
    for(i=y;i<x+y;i++)
    {
        c[i]=a[k++];
    }
    c[i]='\0';
    printf("%s\n", c);
    return 0;
}