Консольный ввод-вывод

#include<iostream>
int main()
{
 
    using namespace std;
    int carrots;
    carrots=12;
    cout<<"I have";
    cout<<carrots;
    cout<<"carrots.";
    cout<<endl;
    cout<<"How many carrots do you have?"<<endl;
    cin>>carrots;
    carrots=carrots+2;
    cout<<"Here are two more.";
    cout<<"Now you have"<<carrots<<"carrots."<<endl;
    return 0
    }

#include <iostream>
 
using namespace std;
 
int main() {
    int carrots;
    cout << "How many carrots do you have?" << endl;
    cin >> carrots;
    carrots += 2;
    cout << "Here are 2 more. Now you have " << carrots << " carrots." << endl;
}

#include <iostream>
int main()
{
 
    using namespace std;
    int carrots;
    carrots = 12;
    cout << "How many carrots do you have?" << endl;
    cout << carrots;
    cout << " carrots.";
    cout << endl;
    carrots = carrots + 2;
    cout << "Here are two more. ";
    cout << "Now you have " << carrots << " carrots." << endl;
    return 0;
}

#include<iostream>
using namespace std;
int main()
{
     int carrots;
     cout<<"How many carrots do you have?"<<endl;
     cin>>carrots;
     cout<<"carrots.\n"<<endl;
     cout<<"Here are two more. "<<endl;
     cout<<"Now you have "<<carrots+2<< " carrots." << endl;
}

cin >> carrots