#include <bits/stdc++.h>
#define endl "\n"
#define ENGZ ios::sync_with_stdio(0);ios_base::sync_with_stdio(0);cin.tie(0) , cout.tie(0) ;
#define mod (ll)(1e9+7)
#define all(v) v.begin(), v.end()
#define allr(v) v.rbegin(), v.rend()
#define F first
#define S second
#define PB push_back
#define pb pop_back()
#define MP make_pair
#define REP(i,a,b) for(int i=a;i<b;i++)
#define rREP(i,a,b) for(int i=a;i>=b;i--)
#define MAX 500002
#define MOD 1000003
#define EPS 1e-6
#define PI 3.1415926535
using namespace std;

typedef long long ll;
typedef unsigned long long ull ;
typedef vector<int> vi;
typedef pair<int,int> pi;


int main(){
    ENGZ
    string s[3] = {"Sunny", "Cloudy", "Rainy"} , x;
    cin >> x ;
    REP(i,0,3){
        if(x==s[i]){
            cout << s[(i+1)%3] << endl;
            break;
        }
    }
    return 0;
}
