#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<iostream>
#include<set>
#include<queue>
using namespace std;


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