题目描述

Write a program that reads in the radius of a circle as an integer and prints the circle’s diameter, circumference and area. Use the constant value 3.14159 for π. Do all calculations in output statements.


输入格式

Input an integer as the radius of a circle


输出格式

Prints the circle’s diameter, circumference and area


样例数据

输入

1

输出

Diameter is 2
Circumference is 6.28318
Area is 3.14159

备注


操作

评测记录

优秀代码

信息

时间限制: 1s
内存限制: 128MB
评测模式: Normal

题解