#include <iostream>
#include<cmath>
using namespace std;


int main(){
    cout<<sqrt(81)<<"\n";
    cout<<log(89)<<"\n";
    cout<<log(33)<<"\n";
    int x = 78;
    int y = 98;

    int sum = x + y;

    cout<<sum<<"\n";

    int a = 67;
    int b = 89;

    int prod = a*b;

    cout<<prod<<"\n";

    cout<<pow(5,3)<<"\n";

    cout<<"Anup Tirkey, Mechanical Engineer, NIT.\n";

    

    string food = "pizza";

    cout<<food<<"\n";
    cout<<&food<<"\n";

    string mobile = "lava";

    cout<<mobile<<"\n";
    cout<<&mobile<<"\n";

    string car = "Hyundai";

    cout<<car<<"\n";
    cout<<&car<<"\n";

    return 0;
}