#include<iostream>
using namespace std;

int main()
{
    double t = 157680000;
    double pop = 312032486;
    double newbirth = t / 7.0;
    double death = t / 13.0;
    double immig = t / 45.0;
    cout << "Population after 5 years is " << (int)(pop + newbirth - death + immig) << " Persons" << endl;
    system("pause");
    return 0;
}