import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
public class treasure {
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        int r = Integer.parseInt(st.nextToken());
        int c = Integer.parseInt(st.nextToken());
        char[][] area = new char[r][c];
        boolean finished = false;
        int x= 0, y=0, tx=0, ty=0;
        for (int i = 0; i<r; i++) {
            String input = br.readLine();
            if (input.contains("T")) {
                tx = i;
                ty = input.indexOf("T");
            }
            area[i] = input.toCharArray();
        }

        HashMap<String, Boolean> map = new HashMap<String, Boolean>();
        int steps = 0;
        Integer[] treasure = {tx, ty};
        Integer[] coords = {x,y};
        while(!(coords.equals(treasure))) {
            coords[0] = x;
            coords[1] = y;
            String s = "" + x + y;
            if(coords[0] == tx && coords[1] == ty) {
                break;
            }
            char ch;
            try{
                ch = area[x][y];
            }catch (ArrayIndexOutOfBoundsException ex){
                System.out.println("Out");
                finished = true;
                break;

            }

            if (map.containsKey(s)) {

                System.out.println(("Lost"));
                finished = true;
                break;
            }
            else {
                map.put(s, true);
                if (ch == 'E') y++;
                else if (ch == 'W') y--;
                else if (ch == 'N') x--;
                else if (ch == 'S') x++;

            }
            steps++;
        }
        if(!finished) System.out.println(Integer.toString(steps));
    }
}