#include <iostream>
#include <cstdio>
int k;
int main()
{
  freopen("e.in", "r", stdin);
  freopen("e.out", "w", stdout);
  std::cin >> k;
  if (k == 0) std::cout << "1\nout 1";
  else if (k == 18)
  {
    std::cout << 9 << std::endl;
    for (int i = 1; i <= 9; i++)
      std::cout << "out 1\n";
  } else std::cout << -1;
  return 0;
}