1951: 计算机颠倒说话

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:172 Solved:161

Description

Input

一行,两串字符,中间用空格隔开

Output

一行,两串字符,中间用空格隔开,就是把输入的两串字符交换下顺序输出

Sample Input Copy

Jack Mary

Sample Output Copy

Mary Jack

HINT



Source/Category