11233: 长方形周长
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:1
Solved:0
Description
输入长和宽,输出长方形的周长
Input
输入2个整数a,b
Output
输出一个正整数S
Sample Input Copy
10 2
Sample Output Copy
24