simple class error

[kovan]

i get error that sayis 'Person' undelcared identifier
and aslo that left of all my functions/routines
that i "must have class/struct/union type"

anyone could help, would greatly appreciated it

#include <iostream>
using namespace std;
int main(void)
{
	
	Person Kovan;
	Kovan.SetName("Kovan");
	Kovan.SetAge(20);
	Kovan.SayAge();
	Kovan.SayName();
	Kovan.Greeting1();
	Kovan.GoodBye();

	
	int retval;	
	cin >> retval;
	return retval;
}

class Person
{
	public:
		void SetName(char* chrName);
		void SetAge(int Age);
		char* GetName();

		void Greeting1();
		void SayName();
		void GoodBye();
		void SayAge();

	private:
		char* pName;
		unsigned int pAge;
};

void Person::SetAge (int Age){

	pAge = Age;

}

void Person::SetName(char* chrName)
{
	pName = chrName;
}

char* Person::GetName()
{

	return pName;
}

void Person::Greeting1() 
{
	cout << "hi there how are you doing?" << endl;
}

void Person::SayName()
{
	cout << pName << endl;
}

void Person::GoodBye()
{
	cout << "See Ya Later" << endl;
}

void Person::SayAge()
{
	cout << pAge << endl;
}