#include <bits/stdc++.h>
#define endl '\n';
typedef long long ll;
const ll INF = 1e17 + 1;
const ll MAX = 2147483647;
const ll MOD = 1000003;

using namespace std;

ll min(ll x, ll y, ll z)
{
    return min(min(x, y), z);
}
ll max(ll x, ll y, ll z)
{
    return max(max(x, y), z);
}

ll min(ll x, ll y, ll z, ll o)
{
    return min(min(x, y, z), o);
}

ll _power(ll b, ll p)
{
    ll res = 1;
    while (p)
    {
        if (p % 2)
            res = (res * b) % MOD;
        b = (b * b) % MOD;
        p /= 2;
    }
    return res;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    string s;
    cin >> s;
    if (s == 'Sunny')
        cout << "Cloudy\n";
    else if (s == 'Cloudy')
        cout << "Rainy\n";
    else if (s == 'Rainy')
        cout << "Sunny\n";

    return 0;
}
