#include <iostream>
#include <fstream>
#include <sstream>
#include <stdexcept>
#include <limits>
using namespace std;
int main()
{
  int ival;
  while(cin >> ival, !cin.eof())
  {
    cout<< cin.rdstate()<<endl;
    if(cin.bad())
      throw runtime_error("IO stream corrupted");
    if(cin.fail())
    {
      cout<< "bad data,try again"<<endl;
      cin.clear(istream::goodbit); // Set the goodbit
      cin.ignore (std::numeric_limits<std::streamsize>::max(), '\n'); 
      continue;
    }
  }
}

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YQpiCmM=

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