var fs = require("fs");
var input = fs.readFileSync("input.txt").toString().replace(/\r/g, "");
var moves = {
  U: -3,
  D: 3,
  L: -1,
  R: 1
};
var prev = 5;
var locations = input.split("\n").slice(0, -1).map(function(curr, i, arr){
  return curr.split("").reduce(function(pos, char){
    var newpos = pos + moves[char];
    if(Math.abs(moves[char]) == 1){
      if(Math.abs((newpos - 1)%3 - (pos - 1)%3) == 1){
        prev = newpos;
      }
    }
    else{
      if(newpos >= 1 && newpos <= 9){
        prev = newpos;
      }
    }
    return prev;
  }, prev);
});

console.log(locations.join(""));