#include <iostream>
#include <string>

using namespace std;

template<typename T>
  void Swap(T & a, T & b)
  { T temp;
    temp = a;
    a = b;
    b = temp; }

int main()
{ int i1 = 123;
  int i2 = 456;
  Swap(i1, i2);
  cout << i1 << " " << i2 << "\n";

  string s1 = "ant";
  string s2 = "bat";
  Swap(s1, s2);
  cout << s1 << " " << s2 << "\n"; }