/* File: input1.cpp

   Testing file I/O using >> with strings.

*/

#include <iostream>
#include <string>
#include <stdlib.h>   // so you can use atof()

using namespace std ;

int main() {
   string str1, str2, str3 ;
   string str4 ;
   
   cin >> str1 ;
   cin >> str2 ;
   cin >> str3 ;
   cin >> str4 ;

   cout << "str1 = '" << str1 << "'\n" ;

   // can use [] with strings to retrieve characters
   cout << "str1[1] = '" << str1[1] << "'\n" ;

   cout << "str2 = '" << str2 << "'\n" ;
   cout << "str3 = '" << str3 << "'\n" ;

   cout << "str4 = '" << str4 << "'\n" ;

   // convert to float
   float f = atof( str4.c_str() ) ;
   cout << "f = " << f << endl ;

}