2045: 求总分

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:181 Solved:147

Description

输入某班n同学的语文考试成绩,输入这N同学的总分(保留两位小数)

Input

 

Sample Input Copy

3
60
78
99

Sample Output Copy

237.00 

Source/Category