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//class and object

#include<iostream>

using namespace std;

class circle

{

float area,circ,pi=3.14;

public: void cal_area(int radius)

{

area=pi*(radius*radius);

}

void cal_circ(int radius)

{

circ=2*pi*radius;

}

void disp(int radius)

{

cout<<"Radius:"<<radius<<endl;

cout<<"Area:"<<area<<endl;

cout<<"circumference:"<<circ<<endl;

}

};

int main()

{

int radius;

cout<<"Enter the radius of the circle"<<endl;

cin>>radius;

circle cobj;

cobj.cal_area(radius);

cobj.cal_circ(radius);

cobj.disp(radius);

}