#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
    int width;
    int height;
    cin >> width >> height; cin.ignore();
    for (int i = 0; i < height; i++) {
        string line;
        getline(cin, line);
        cerr << line << endl;
    }
    int startX;
    int startY;
    cin >> startX >> startY; cin.ignore();
    cerr << startX << " " << startY << endl;
    int targetX;
    int targetY;
    cin >> targetX >> targetY; cin.ignore();
    cerr << targetX << " " << targetY << endl;
    int switchCount;
    cin >> switchCount; cin.ignore();
    cerr << switchCount << endl;
    for (int i = 0; i < switchCount; i++) {
        int switchX;
        int switchY;
        int blockX;
        int blockY;
        int initialState; // 1 if blocking, 0 otherwise
        cin >> switchX >> switchY >> blockX >> blockY >> initialState; cin.ignore();
        cerr << switchX << " " << switchY << " " << blockX << " " << blockY << " " << initialState << endl;
    }

    cout << "RRRRURD" << endl;
}