Problem4310--周周练-五一专题：入门练习3

4310: 周周练-五一专题：入门练习3

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 3  Solved: 3
[Status] [Submit] [Creator:]

Description

输入两个整数a,b，交换这两个数后输出

Input

两个整数a,b

Output

这两个整数a,b

Sample Input Copy 

3 4

Sample Output Copy 

4 3

HINT

Source/Category

 周周练-入门  
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