#include <iostream>
#include <string>
using namespace std;
int main(void) {
string input = "";
while (true) {
getline(cin, input);
if (input == "END")
break ;
for (int i = (int)input.size() - 1; i >= 0; i--)
cout << input[i];
cout << "\\n";
}
return (0);
}