#include <stdio.h>

 //#include <stdlib.h>

 #include <cstdlib>

 #include <iostream>

 #include <vector>

 #include <string>

 

 #include <algorithm>

 

 #include <unistd.h>

 //#include <numeric>

 

 

 #include <boost/algorithm/string/join.hpp>

 

 // void print_element(std::string x){

 //   std::cout << x << std::endl;

 // }

 

 

 main( int argc, char ** argv){

 

   // remove first element of argv, the program's name

   std::vector<std::string> input(argv, argv+argc);

   

 

   //std::cout << input.size() << std::endl;

   

   input[0] = std::string("hg");

   

   //input.insert(input.begin(),std::string("hg"));

   

   //std::cout << input.size() << std::endl;

 

   // for(unsigned i = 0; i < input.size(); i++){

   //   std::cout << input[i] << std::endl;

     

   // }

 

   //for_each(input.begin(),input.end(), print_element);

  

 

   // std::string command = 

   //   accumulate(input.begin(), input.end(), std::string(" "));

   

   std::string command = boost::algorithm::join(input, " ");

 

 

   //.c_str();

 

   //std::cout << command << std::endl;

 

   setreuid( geteuid(),  geteuid() );

   //envp = 0; /* blocks IFS attack on non-bash shells */

   //system( "/usr/bin/hg", argv, envp );

   return system(command.c_str());

   //perror( argv[0] );

   //return errno;

 }