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: Runtime Error)

#include <stdio.h>
#define MAX_SIZE 100

int main()
{
    char str[MAX_SIZE];
    int i;
    printf("Enter any string: ");
    gets(str);
    for(i=0; str[i]!='\0'; i++)
    {
        if(str[i]>='A' && str[i]<='Z')
        {
            str[i] = str[i] + 32;
        }
    }

    printf("Lower case string: %s", str);

    return 0;
}