#include <iostream>
#include <string>

using namespace std;

class Person
{
private:
	string name;
	int age;

public:

	person()
     {

	}

	void setAge(int a)
	{
		age = a;
	}
	int getAge()
	{
		return age;
	}
};

int main() {

	Person p1;
	p1.setAge(21);
	cout << "Person age is " << p1.getAge() << endl;
}