#include <iostream>
using namespace std;

int main(){
  int f,xyf;
  char h[5][4],v[4][5];
  int x,y;
  cin>>h[0];
  for(int i=0;i<4;i++){
    cin>>v[i];
    cin>>h[i+1];
  }
  f=xyf=1;
  y=0;
  x=1;cout<<"R";
  while(x!=0||y!=0){
    if(f==1){
      if(xyf==1){
	if(y>0&&v[y-1][x]=='1'){
	  y--;cout<<"U";f*=-1;xyf*=-1;
	}
	else if(x<4&&h[y][x]=='1'){
	  x++;cout<<"R";
	}
	else if(v[y][x]=='0'||y==4) xyf*=-1;
	else{
	  y++;f*=-1;cout<<"D";
	}
      }
      else{
	if(y<4&&v[y][x]=='1'){
	  y++;cout<<"D";f*=-1;xyf*=-1;
	}
	else if(x>0&&h[y][x-1]=='1'){
	  x--;cout<<"L";
	}
	else if(v[y-1][x]=='0'||y==0) xyf*=-1;
	else{
	  y--;cout<<"U";f*=-1;
	}
      }
    }
    else{
      if(xyf==1){
	if(x<4&&h[y][x]=='1'){
	  x++;cout<<"R";f*=-1;
	}
	else if(y<4&&v[y][x]=='1'){
	  y++;cout<<"D";
	}
	else if(h[y][x-1]=='0'||x==0) xyf*=-1;
	else{
	  x--;cout<<"L";f*=-1;xyf*=-1;
	}
      }
      else{
	if(x>0&&h[y][x-1]=='1'){
	  x--;cout<<"L";f*=-1;
	}
	else if(y>0&&v[y-1][x]=='1'){
	  y--;cout<<"U";
	}
	else if(h[y][x]=='0'||x==4) xyf*=-1;
	else{
	  x++;cout<<"R";f*=-1;xyf*=-1;
	}
      }
    }
  }
  cout<<endl;
  return 0;
}