#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main()
{
string data;
getline(cin, data);
std::reverse(data.begin(), data.end());
cout << data;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgojaW5jbHVkZSA8YWxnb3JpdGhtPgoKdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBtYWluKCkKewogICAgc3RyaW5nIGRhdGE7CiAgICBnZXRsaW5lKGNpbiwgZGF0YSk7CiAgICBzdGQ6OnJldmVyc2UoZGF0YS5iZWdpbigpLCBkYXRhLmVuZCgpKTsKICAgIGNvdXQgPDwgZGF0YTsKICAgIHJldHVybiAwOwp9Cg==