using System;

using System.Drawing;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static List<string> path1 = new List<string>(){

        "R1000","U564","L752","D449","R783","D938","L106","U130","R452","U462","R861","U654","L532","D485","R761","U336","L648","U671","L618","U429","R122","D183","L395","U662","R900","U644","L168","D778","L268","U896","L691","D852","L987","U462","R346","U103","R688","U926","R374","D543","R688","D682","R992","D140","L379","D245","L423","D504","R957","U937","L67","D560","L962","U275","R688","D617","L778","U581","R672","D402","R3","U251","R593","U897","L866","U189","L8","D5","R761","U546","R594","D880","L318","U410","L325","U564","L889","U688","L472","D146","R317","D314","L229","U259","R449","D630","L431","U4","R328","D727","R298","D558","R81","D508","L160","U113","L994","U263","L193","D631","R881","D608","L924","U447","R231","U885","L157","D739","R656","D121","R704","U437","L710","D207","R150","U406","R816","U683","R496","D715","L899","U757","L579","D684","L85","D354","R198","D411","R818","U772","L910","U493","R38","D130","L955","U741","R744","D224","L485","U201","L903","D904","R748","U288","R34","U673","R503","D931","L190","U547","L83","D341","R459","U114","L758","U220","L506","U444","L472","D941","L68","D910","R415","U668","L957","U709","R817","U116","R699","D424","R548","D285","R347","U396","R791","U62","L785","D360","L628","U415","L568","D429","R154","D840","L865","U181","L106","D564","L452","U156","L967","D421","R41","U500","L316","D747","R585","D858","L809","U402","L484","U752","R319","D563","R273","U84","R53","U874","L849","U90","R194","D969","R907","D625","L298","D984","R744","U172","R537","D177","L14","D921","L156","U133","R429","D787","R688","U894","L154","U192","R663","D225","L781","U426","R623","D60","L723","D995","R814","D195","L951","D594","R994","D543","L893","U781","R899","U85","R270","U303","R256","U977","R894","U948","R270","D301","L874","D388","R290","U986","L660","D741","L25","U381","R814","D150","R578","D529","R550","D176","R221","D653","R529","U83","R351","D462","R492","U338","R611","D5","L137","D547","R305","U356","R83","D880","R522","U681","R353","D54","R910","U774","L462","U48","L511","U750","R98","U455","R585","D579","L594"    

    };

    public static List<string> path2 = new List<string>(){

        "L1003","U936","R846","U549","L824","D684","R944","U902","R177","U875","L425","U631","L301","U515","L790","D233","R49","U408","L184","D103","R693","D307","L557","D771","L482","D502","R759","D390","L378","U982","L430","U337","L970","U400","R829","U212","L92","D670","R741","D566","L797","U477","L377","U837","R19","U849","L21","D870","L182","U414","L586","U768","L637","U135","R997","U405","L331","D256","L22","D46","L504","D660","L757","U676","L360","D499","R180","D723","L236","U78","R218","U523","L71","D60","L485","U503","L352","D969","R747","U831","L285","D859","L245","D517","L140","U463","L895","U284","L546","U342","R349","D438","R816","U21","L188","U482","L687","D903","L234","U15","L758","D294","R789","D444","L498","D436","L240","D956","L666","U686","R978","D827","R919","U108","R975","D35","R475","U59","L374","U24","L26","D497","R454","D388","R180","D561","R80","D433","R439","D818","R962","D912","R247","U972","R948","D807","R867","D946","R725","U395","R706","U187","L17","U332","L862","D660","L70","U608","R223","D506","R592","U357","R520","D149","L572","D800","L570","D358","R648","U174","R520","U153","L807","U92","R840","U560","L938","D599","R972","D539","R385","D495","L26","D894","L907","D103","L494","U51","L803","D620","L68","D226","R947","U210","R864","D755","L681","D520","L867","D577","R378","D741","L91","D294","L289","D531","L301","U638","L496","U83","L278","D327","R351","D697","L593","U331","R91","D967","R419","D327","R78","U304","R462","D2","L656","D700","L27","D29","L598","U741","L349","D957","R161","U688","R326","D798","L263","U45","L883","U982","R116","D835","L878","U253","L232","D732","R639","D408","R997","D867","R726","D258","L65","D600","L315","U783","L761","U606","R67","D949","L475","U542","L231","U279","L950","U649","L670","D870","L264","U958","R748","D365","R252","D129","R754","U27","R571","D690","L671","U143","L750","U303","L412","U24","L443","D550","R826","U699","L558","U543","L881","D204","R248","D192","R813","U316","L76","D78","R523","U716","L422","D793","R684","D175","L347","D466","L219","D140","L803","U433","R96"

    };

    public static void Main()

    {

        var line1 = DrawLine(path1);

        var line2 = DrawLine(path2);

        var intersections = line1.Intersect(line2).ToList();

        var dist1 = line1.IndexOf(intersections.First()) + 1;

        var dist2 = line2.IndexOf(intersections.First()) + 1;

        var totalStepsToFirstIntersection = dist1 + dist2;

        var distances = new List<int>();

        foreach(Point p in intersections)

        {

            distances.Add(CalculateManhattanDistance(0, p.X, 0, p.Y));

        }

        //Solution 1

        Console.WriteLine(distances.Min().ToString());

        //Solution 2

        Console.WriteLine(totalStepsToFirstIntersection);

    }

    public static List<Point> DrawLine(List<string> path)

    {

        var lastPoint = new Point(0,0);

        var line = new List<Point>();

        foreach(string instruction in path)

        {

            Evaluate(lastPoint, instruction, line); 

            lastPoint = line.Last();

        }

        return line;

    }

    public static void Evaluate(Point point, string action, List<Point> line)

    {

        var operation = action.Substring(0,1);

        var distance = int.Parse(action.Substring(1, action.Length - 1));

        switch(operation)

        {

            case "U":

                for(int i = 1; i <= distance; i++)

                {

                    line.Add(new Point(point.X, point.Y + i));

                }

                break;

            case "L":

                for(int i = 1; i <= distance; i++)

                {

                    line.Add(new Point(point.X - i, point.Y));

                }

                break;

            case "R":

                for(int i = 1; i <= distance; i++)

                {

                    line.Add(new Point(point.X + i, point.Y));

                }

                break;

            case "D":

                for(int i = 1; i <= distance; i++)

                {

                    line.Add(new Point(point.X, point.Y - i));

                }

                break;

        }           

    }

    public static int CalculateManhattanDistance(int x1, int x2, int y1, int y2)

    {

        return Math.Abs(x1 - x2) + Math.Abs(y1 - y2);

    }

}