#include<iostream>
#include<cstdio>
#include<algorithm>
#include <cstring>
using namespace std;
int main()
{
    string s;
    cin>>s;
    if(s[0]=='R')
        cout<<"Sunny\n";
    if(s[0]=='C')
        cout<<"Rainy\n";
    if(s[0]=='S')
        cout<<"Cloudy\n";
    return 0;
}

