#include <iomanip>
#include<limits>
#include<iostream>


using namespace std ;



int main()
{
  int x1 = 0 ;
/*
cout << "Enter x1 value."  ;
   cin >> x1 ;
 cout << x1 << endl ;
while(1)
{
    if(cin.fail())
 	{
	//clears the error flag
	cin.clear() ;
        //Ignore anything else in the buffer
	cin.ignore(  numeric_limits<streamsize>::max()  , '\n' );
		cout<< "You have entered wrong input."<< endl;
	cin >> x1 ; 	}
    else
      break ;
}
    cout << "x1:" << x1 << endl ;
*/

    //Another way .. Does not work
 cout << numeric_limits<int>::max() << endl  ;
   x1 = numeric_limits<int>::max() ;
   cout << "x1:" << x1 << endl ;
  while ( x1 == numeric_limits<int>::max() )
    {
       cout << "Enter x1 value."  ;
        cin >> x1 ;
       //x1 is 0 at this point
       cout << x1 << endl ;
   } //while

  return 0;
}