Variables

#include <iostream>

using namespace std;

int main()
{
    int female = 4;
    int male = 5;
    int humans = 0;
    int cat = 1;
    int dog = 1;
    int animals = 0;
    int livingBeings = 0;

    animals = cat + cat + cat + dog + dog + dog;

    humans = female + male;

    livingBeings = humans + animals;

    cout << "In this room are " << humans << " humans and " << animals << " animals." <<endl;

    cout << "Living beings all together " << livingBeings << "." << endl;
    
    return 0;
}