#include <bits/stdc++.h>
#include "header/demoheader.h"
using namespace std;


int main() {
    // Write C++ code here
    cout<<"---------program started---------"<<endl;
    Rectangle r1(4,5);
    cout<<r1.area()<<endl;
    int8_t a=200;
    uint8_t b=100;
    cout<<(int)a<<endl;
    cout<<(int)b<<endl;

    return 0;
}