String Class
#include <iostream>
#include <fstream>
#include <sstream>
using namespace std;
template <typename T1, typename T2>
void print(T1& t1, T2& t2 )
{
t1<<t2;
}#include <iostream>
#include <fstream>
#include <sstream>
using namespace std;
template <typename T1, typename T2>
void print(T1& t1, T2& t2 )
{
t1<<t2;
}