#include <bits/stdc++.h>
#define IO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
using namespace std;

int main() {
	IO
	string s;
	cin >> s;
	if (s == "Sunny")
		cout << "Cloudy";
	else if (s == "Cloudy")
		cout << "Rainy";
	else
		cout << "Sunny";
	return 0;
}
