#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
using namespace std;

#define REP(i,n) for(int i = 0; i < (int)n; ++i)
#define DEBUG(x) cerr << #x << " = " << x << endl

int main() {
    static bool wall[6][6][4];
    const int dx[4] = { 1, 0, -1, 0 };
    const int dy[4] = { 0, 1, 0, -1 };
    REP(i,6) REP(j,6) REP(k,4) {
        int ni = i + dy[k];
        int nj = j + dx[k];
        if(0 <= ni && ni < 6 && 0 <= nj && nj < 6) {
            wall[i][j][k] = 0;
        }
        else {
            wall[i][j][k] = 1;
        }
    }
    
    string s;
    for(int i = 0; i < 4; i++) {
        getline(cin, s);
        for(int j = 0; j < 4; j++) {
            wall[i][j + 1][1] = (s[j] == '1');
            wall[i + 1][j + 1][3] = (s[j] == '1');
        }
        getline(cin, s);
        for(int j = 0; j < 5; j++) {
            wall[i + 1][j][0] = (s[j] == '1');
            wall[i + 1][j + 1][2] = (s[j] == '1');
        }
    }
    getline(cin, s);
    for(int j = 0; j < 4; j++) {
        wall[4][j + 1][1] = (s[j] == '1');
        wall[5][j + 1][3] = (s[j] == '1');
    }

    string icon = "RDLU";
#if 0
    REP(i,6) REP(j,6) {
        cerr << "(" << i << "," << j << ")";
        REP(k,4) {
            if(wall[i][j][k] == false) cerr << icon[k];
        }
        cerr << endl;
    }
#endif

    int X = 1, Y = 0, dir = 0;
    string ans = "R";
    do {
#if 0
        cerr << "X = " << X << ", Y = " << Y << ", dir = " << dir << endl;
#endif
        if(wall[Y][X][dir] == 1) {
            dir = (dir - 1 + 4) % 4;
            ans.push_back(icon[dir]);
        }
        else {
            Y += dy[dir];
            X += dx[dir];
            if(wall[Y][X][(dir+1)%4]==1) {
                ans.push_back(icon[dir]);
            }
            else {
                dir = (dir + 1) % 4;
                Y += dy[dir];
                X += dx[dir];
                if(wall[Y][X][(dir+1)%4]==1) {
                    ans.push_back(icon[dir]);
                }
                else {
                    dir = (dir + 1) % 4;
                    ans.push_back(icon[dir]);
                }
            }
        }
    } while(!(X == 1 && Y == 1 && dir == 2));

    cout << ans << endl;
}