#include <bits/stdc++.h>

using namespace std;

char s[256];
int main()
{
    cin.getline(s,256);
    char *p;
    p=strtok(s," ");
    while(p)
    {
        cout<<p<<' ';
        for(int i=strlen(p)-1;i>=0;i--)
            cout<<p[i];
        cout<<' ';
        p=strtok(NULL," ");
    }
    return 0;
}