#include <bits/stdc++.h>
// clang-format off
using namespace std; using ll=long long; using ull=unsigned long long; using pll=pair<ll,ll>; const ll INF=4e18;
void print0(){}; template<typename H,typename... T> void print0(H h,T... t){cout<<h;print0(t...);}
void print(){print0("\n");}; template<typename H,typename... T>void print(H h,T... t){print0(h);if(sizeof...(T)>0)print0(" ");print(t...);}
void perr0(){}; template<typename H,typename... T> void perr0(H h,T... t){cerr<<h;perr0(t...);}
void perr(){perr0("\n");}; template<typename H,typename... T>void perr(H h,T... t){perr0(h);if(sizeof...(T)>0)perr0(" ");perr(t...);}
void ioinit() { cout<<fixed<<setprecision(15); cerr<<fixed<<setprecision(6); ios_base::sync_with_stdio(0); cin.tie(0); }
// clang-format on
using pii = pair<int, int>;
using tii = tuple<int, int, int>;

struct point {
    int i;
    int j;
};
bool operator==(const point &lhs, const point &rhs) { return (lhs.i == rhs.i && lhs.j == rhs.j); }
bool operator!=(const point &lhs, const point &rhs) { return !(lhs == rhs); }
bool operator<(const point &lhs, const point &rhs) {
    if (lhs.i != rhs.i) {
        return lhs.i < rhs.i;
    }
    return lhs.j < rhs.j;
}
std::ostream &operator<<(std::ostream &os, point &pt) {
    string s;
    s.push_back('(');
    s = s + to_string(pt.i);
    s = s + ", ";
    s = s + to_string(pt.j);
    s.push_back(')');
    return os << s;
}

mt19937 engine(0);
clock_t start_time;
double now() {
    return 1000.0 * (clock() - start_time) / CLOCKS_PER_SEC;
}
void marathon_init() {
    start_time = clock();
    random_device seed_gen;
    engine.seed(seed_gen());
}
int randint(int mn, int mx) {
    int rng = mx - mn + 1;
    return mn + (engine() % rng);
}
double uniform(double x, double y) {
    const int RND = 1e8;
    double mean = (x + y) / 2.0;
    double dif = y - mean;
    double p = double(engine() % RND) / RND;
    return mean + dif * (1.0 - 2.0 * p);
}
bool anneal_accept(double new_score, double old_score, double cur_time, double begin_time, double end_time, double begin_temp, double end_temp) {
    const int ANNEAL_RND = 1e8;
    const double ANNEAL_EPS = 1e-6;
    double temp = cur_time * (end_temp - begin_temp) / (end_time - begin_time) + (end_time * begin_temp - end_temp * begin_time) / (end_time - begin_time);
    return (exp((new_score - old_score) / temp) > double(engine() % ANNEAL_RND) / ANNEAL_RND + ANNEAL_EPS);
}

const int N = 20;
const int OPS = 1000;

double P;
const int R = 0;
const int D = 1;
const int L = 2;
const int U = 3;
vector<point> mvs = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}};
int request(string ops) {
    cout << ops << endl;
    int res;
    cin >> res;
    return res;
}
string rand_combination(string s0, int start_ind) {
    string s = s0;
    int r = 0;
    int d = 0;
    for (int j = 0; j < start_ind; j++) {
        if (s[j] == 'R') r++;
        if (s[j] == 'D') d++;
    }
    for (int i = start_ind; i < int(s.size()); i++) {
        if (r < N - 1 && d < N - 1) {
            if (randint(0, 1)) {
                s[i] = 'R';
                r++;
            } else {
                s[i] = 'D';
                d++;
            }
        } else if (r < N - 1) {
            s[i] = 'R';
            r++;
        } else {
            s[i] = 'D';
            d++;
        }
    }
    return s;
}
string randrd(int length) {
    string s;
    for (int o = 0; o < length; o++) {
        if (randint(0, 1)) {
            s.push_back('R');
        } else {
            s.push_back('D');
        }
    }
    return s;
}
string makeop(int opid, vector<pair<int, string>> &history) {
    // とりあえず R と D だけ。それで到達できないケースは諦める。
    int N2 = 2 * N - 2;

    // 全探索モード
    do {
        const int BRUTE_FORCE_START = 28;
        pair<int, string> maxhist = {0, ""};
        for (auto h : history) {
            if (maxhist.first < h.first) {
                maxhist = h;
            }
        }
        if (maxhist.first < BRUTE_FORCE_START) {
            break;
        }
        unordered_set<string> hist_ops;
        for (auto h : history) {
            hist_ops.insert(h.second);
        }
        int baseind = maxhist.first + 1;
        int brute_force_num = N2 - baseind;

        int r0 = 0;
        int d0 = 0;
        {
            string s = maxhist.second;
            for (int j = 0; j < baseind; j++) {
                if (s[j] == 'R') r0++;
                if (s[j] == 'D') d0++;
            }
        }
        for (int i = 0; i < (1 << brute_force_num); i++) {
            string s = maxhist.second;
            int r = r0;
            int d = d0;
            for (int j = 0; j < brute_force_num; j++) {
                char c;
                if ((i >> j) & 1) {
                    c = 'R';
                    r++;
                } else {
                    c = 'D';
                    c++;
                }
                s[j + baseind] = c;
            }
            if (r > N - 1 || d > N - 1) continue;
            if (hist_ops.count(s)) continue;
            return s;
        }
    } while (0);

    // 完全な無作為
    if (history.size() < 50 || opid % 10 == 0) {
        string s;
        s.resize(N2);
        return rand_combination(s, 0);
    }

    // 適当にサンプリング+改変
    {
        pair<int, string> sample = history.back();
        double total = 0;
        for (auto h : history) {
            total += (pow(1.0 * h.first, 2.0) + 0.5);
        }
        double rat = uniform(0.0, 1.0 * total);
        double cum = 0;
        for (auto h : history) {
            cum += (pow(1.0 * h.first, 2.0) + 0.5);
            if (rat < cum) {
                sample = h;
                break;
            }
        }

        if (sample.second.size() <= 1) {
            return randrd(N2);
        }

        // 後ろの方を適当に改変
        string sample_str = sample.second;
        int sample_moves = sample.first;
        int sz = sample_str.size();
        int changestart = sample_moves + randint(-2, 2);
        if (changestart < 0) changestart = 0;
        return rand_combination(sample_str, changestart);
    }
    return "R";
}
void solve() {
    int opslimit = OPS;
    opslimit = 1000;

    int maxres = 0;
    vector<pair<int, string>> history;
    for (int opid = 0; opid < opslimit; opid++) {
        string s = makeop(opid, history);
        int res = request(s);
        if (res < 0) {
            return;
        }
        history.push_back({res, s});
        maxres = max(maxres, res);
    }
}
int main() {
    marathon_init();
    ioinit();
    int _h, _w;
    cin >> _h >> _w >> P;
    P *= 0.01;
    solve();
    return 0;
}