#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <complex>
using namespace std;

#define REP(i,n) for(int i=0;i<(int)n;++i)
#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();++i)
#define ALL(c) (c).begin(), (c).end()

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

  bool yoko[4][5];
  bool tate[5][4];
  REP(i,9) {
    char x;
    if (i%2==0)
      REP(j,4) {
        cin >> x;
        yoko[j][i/2] = (x=='1');
      }
    else
      REP(j,5) {
        cin >> x;
        tate[j][i/2] = (x=='1');
      }
  }
  int x=0,y=0;
  int dir = 0;
  char ss[4] = {'R','U','L','D'};
  x++;
  while(true) {
    cout << ss[dir];
    if (x==0&&y==0) break;
    if (dir == 0) {
      if (y>0&&tate[x][y-1]) {
        dir = 1;
        y--;
      } else if (x<4&&yoko[x][y]) {
        x++;
      } else if (y<4&&tate[x][y]) {
        dir = 3;
        y++;
      } else {
        dir = 2;
        x--;
      }
    } else if (dir == 1) {
      if (x>0&&yoko[x-1][y]) {
        dir = 2;
        x--;
      } else if (y>0&&tate[x][y-1]) {
        y--;
      } else if (x<4&&yoko[x][y]) {
        dir = 0;
        x++;
      } else {
        dir = 3;
        y++;
      }
    } else if (dir == 2) {
      if (y<4&&tate[x][y]) {
        dir = 3;
        y++;
      } else if (x>0&&yoko[x-1][y]) {
        x--;
      } else if (y>0&&tate[x][y-1]) {
        dir = 1;
        y--;
      } else {
        dir = 0;
        x++;
      }
    } else if (dir == 3) {
      if (x<4&&yoko[x][y]) {
        dir = 0;
        x++;
      } else if (y<4&&tate[x][y]) {
        y++;
      } else if (x>0&&yoko[x-1][y]) {
        dir = 2;
        x--;
      } else {
        dir = 1;
        y--;
      }
    }
  }
  cout << endl;
}