#include <iostream>
using namespace std ;

/*
template<typename T>
void printf1(T v)
{
  cout << "Single argument function:" << v << endl ;

}
*/

//template<typename T>
/*
void printf1()
{
  cout << "Empty printf." << endl ;

}
*/

template<typename T, typename... Args>
void printf1(T first, Args... args)
{
  cout << "first:" << first << endl ;

 // printf1( first ) ;
  //cout << "Enter:" << endl ;
  printf1(  args...  )  ; //LABEL A
}

int main()
{

	printf1( 1, 2, 3 );
	//printf1( "1", 2, 3 );
    cout << "End of main." << endl ;



}