#include <string>
#include <iostream>
#include <iterator>
#include <algorithm>
#include <sstream>
 
template < typename T >
T string_cast ( const std::string & str )
{
   std::stringstream ss ( str ) ;
   T result ;
   ss >> result ;
   return result ;
}
 
int main(){
   std::string input ;
   std::string output;
   std::getline(std::cin,input) ;
   std::copy_if(input.begin(),input.end(),std::inserter(output,output.end()),isdigit) ;
   if ( !output.empty() )
   {
      std::cout << output << std::endl ;
      std::cout << string_cast<long>(output) << std::endl ;
   } else
   {
      std::cout << "string not contain digits" << std::endl ;
   }
}

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