#include <iostream>
#include <conio.h>
#include <string>
using namespace std;
int main()
{
string previous = " ";
	string current;
	while (cin >> current)
	{
		if (previous == current)
			cout << "Same word: " << current << "\n";
		previous = current;
	}  
_getch();
	return 0;
}