#include <conio.h>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <stdlib.h>
#include <string>
#include <algorithm>
using namespace std;
bool ispalind(string s);
int main()
{
    std::ifstream input("in.txt");
    std::string s;
    while(std::getline(input, s))
        ispalind (s);
    system("pause");
    return 0;
}
bool ispalind(string s)
{
    std::ofstream output("out.txt");
    int p;
    string rs = s;
    reverse(rs.begin(), rs.end());
    p=(s == rs);
    if (p)
        output << s <<std::endl;
    return s == rs;
 
}