#include <iostream>using namespace std;// Don't worry about understanding any of this code at all. This is the // language that you will use in CSCI 121. I would have used the Python// that most of you are learning in CSCI 105, but I haven't started // learning Python yet myself. Maybe next year. Follow the instructions// on the lab sheet, and it will tell you what to do with this file// of code.// The purpose of this is not to learn code, but to learn tools to work with code.int main(){int input;int output;cout << "Hello! Please enter a number" << endl;cin >> input;output = input * input + 3;cout << "The answer is " << output << endl << endl << endl << endl;cout << "That's all there is!" << endl;}