#include <iostream>
//#include <string>
using namespace std;
//string_cin_copmare1.cpp
int main()
{
 string str1, str2;
    cout<<" restricted word is exit to quit \n"; 
	cout<<"   Type a line: ";
	    int i;
	    i = 0;
	    while (1) {
	      i++;
	    //getline(cin, s); It will print lines till you type exit
	     cin>>str1; // this will take a recurring strings with cin
		 
	      if (cin.fail()) { cout <<"\n cin.falied" ;}
	      else{
	      cout << "\t\b String " << i << ": " << str1 << endl; 
	      }
	    if(str1=="exit"){ return 0; }
	     
	      
	    }
	     
     
	 return 0;
}