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Contest: Task: Related: TaskB

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