#include<iostream>
using namespace std;

int main (int argc, char** argv)
{
  // using cout instead of file for demo
  #define funcN cout
  for(size_t i = 0, N = 10; i < N; ++i)
  {
    funcN << "#define FUNC_" << i << "(R";
    for(size_t j = 1; j <= i; ++j)
      funcN << ", _" << j;
    funcN << ", ...) ";

    funcN << "F(R";
    for(size_t j = 1; j <= i; ++j)
      funcN << ", _" << j;
    funcN <<")\n";
  }
  funcN << endl;
}