#include <iostream>
#include <cstdlib>
#include <map>
#include <vector>
using namespace std ;

int main(int argc, char * argv[])
{
	map<int, string> ids ;

	vector<int> StudentList ;

	StudentList.push_back(12345) ;
	StudentList.push_back(44444) ;
	StudentList.push_back(121231) ;

	ids[12345] = "Justin"  ;
	ids[44444] = "John Doe" ;
	ids[121231] = "Bob" ;

	for(int i = 0 ; i < StudentList.size() ; i++)
	{
		cout << ids[StudentList[i]] << " = " << StudentList[i] << endl ;
	}
	return EXIT_SUCCESS ;
}