C/C++ Program to find area and perimeter of a rectangle

//Program to find area and perimeter of a rectangle
#include<iostream>
using namespace std;
int main()
{
    int l,b,area;
    cout<<"\n enter  length of a rectangle :";
    cin>>l;
    cout<<"\n enter breadth/width of a rectangle :";
    cin>>b;
    cout<<"\n Area of a rectangle :"<<l*b<<endl;
    cout<<"\nPerimeter of rectangle :"<<2*(l+b)<<endl;
return 0;
}