10960: 测试输出语句

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:1 Solved:0

Description

求整数a和b的平均数

Input

a b

Output

a和b的平均数(场宽10,小数点后2位)

Sample Input Copy

1 2

Sample Output Copy

      1.50