#include <iostream>
using namespace std;
int main()
{
double length;
double width;
double areaofrectangle;
double perimeterofrectangle;

cout<<"enter the length of rectangle"<<endl;
cin>>length;

cout<<"enter the width of rectangle"<<endl;
cin>>width;

areaofrectangle = length*width;
perimeterofrectangle = 2*areaofrectangle;

if(length==width)
{
cout<<"Can't compute base because a rectangle can't have both sides equal"<<endl;
}

else {
 cout<<"the area of the rectangle is "<< areaofrectangle <<endl;

cout<<" the perimeter of the rectangle is "<<perimeterofrectangle<<endl;

}
return 0;

}