#include <iostream>
#include <string>
#include <sstream>

using namespace std;

int main()
{ string whole_line, cmd, a, b, c, waste;
  while (true)
  { cout << "cmd> ";
    getline(cin, whole_line);
    if (cin.fail())
    { cout << "\n";
      break; }

    istringstream parts(whole_line);
    parts >> cmd;
    if (parts.fail())
      continue;

    if (cmd == "one")
    { parts >> a;
      if (parts.fail())
      { cout << "value missing\n";
        continue; }
      parts >> waste;
      if (! parts.fail())
      { cout << "too many values\n";
        continue; }
      cout << "The whole thing is one " << a << "\n"; }

    else if (cmd == "three")
    { parts >> a >> b >> c;
      if (parts.fail())
      { cout << "value missing\n";
        continue; }
      parts >> waste;
      if (! parts.fail())
      { cout << "too many values\n";
        continue; }
      cout << "The whole thing is three " << a << " " << b << " " << c << "\n"; }
      
    else if (cmd == "none")
    { parts >> waste;
      if (! parts.fail())
      { cout << "too many values\n";
        continue; }
      cout << "The whole thing is none\n"; }

    else if (cmd == "two")
    { parts >> a >> b;
      if (parts.fail())
      { cout << "value missing\n";
        continue; }
      parts >> waste;
      if (! parts.fail())
      { cout << "too many values\n";
        continue; }
      cout << "The whole thing is two " << a << " " << b << "\n"; }
      
    else
      cout << "Something is wrong\n"; } }