#include "bits/stdc++.h"
using namespace std;

int GetRand() {
	random_device rnd;
	mt19937 mt(rnd());
	uniform_int_distribution<> rand_max(0, 1000000);
	return rand_max(mt);
}

void print() {
	int r = GetRand() % 5;
	puts(r == 0 ? "No" : "Yes");
}

int main() {
	string s; getline(cin, s);
	reverse(s.begin(), s.end());
	cout << s << endl;

	print();
}