#include<bits/stdc++.h>

#define ff first
#define ss second
using namespace std;
#define maxn 2000006
#define pb push_back
#define ll long long
#define lll __int128
#define vll vector<ll>
#define mll map<ll,ll>
#define MOD 1000000007
#define pll pair<ll,ll>
#define ull unsigned long long
#define f(i,x,n) for(int i=x;i<=n;i++)
inline void fastio() {ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL);}

int dx[] = { -1, 0, 1, 0, -1, -1, 1, 1};
int dy[] = {0, 1, 0, -1, -1, 1, 1, -1};



int main() {
	fastio();

	string s; cin >> s;
	string ans;
	if (s == "Sunny") ans = "Cloudy";
	else if (s == "Cloudy") ans = "Rainy";
	else ans = "Sunny";

	cout << ans;

	return 0;
}