#include <iostream.h>
void f(int);
int  g(int);
void main()
{
  cout << "f(3):";
  f(3);
  cout << "f(2):";
  f(2);
  cout << "f(g(1)):";
  f(g(1));
}
void f(int i)
{ cout << i << endl;
  return;
}
int  g(int i)
{ 
  return i - 1;
}